Stan’s Skate Shop is having a sale on skateboards. The original price for its Extreme Skateboard was $84.50. The sale price for the skateboard is $50.70. What is the percent decrease in the price of the skate board?

A string of holiday lights at a store have three colors that flash at different times. Red lights flash every six second. Blue lights flash every four seconds. Green light flashes every two seconds. The store owner turns on the lights. After how many seconds will all three lights flash at the same time for the first time?

A- 10 sec

B- 8 sec

C-12 sec

D-2 sec

Please help me with this math problem i would greatly appreciate it!

Makes 12 cinnamon rolls needs to make 30
1/4ounce package active dry yeast

1 cup warm water

3 tablespoons molasses

1/3 cup powdered milk

1 egg yolk, beaten

1 egg white, beaten

3 1/2 cups bread flour, divided

6 tablespoons butter, melted and divided

1 teaspoon salt

1/2 cup whole wheat flour

1/3 cup granulated sugar

1 tablespoon ground cinnamon

1/3 cup raisins

1 large egg, beaten

1/4 cup water
Respond to the questions about the second recipe:

This recipe makes 12 rolls, but you need to make 30 rolls. What number will you need to multiply the amount of each ingredient by to adjust the recipe? How did you determine this number?

How many ounces of yeast will you need to make 30 rolls?

How many cups of powdered milk will you need to make 30 rolls?

How many tablespoons of butter will you need to make 30 rolls?

How many more cups of bread flour than whole wheat flour will you need to make 30 rolls?

Round 9,912 to the nearest thousand. 10,000 9,910 9,000 9,900

Charles and Cole measured the height of each of their dogs. The heights (at the shoulders) are shown in the table below.
Find the mean absolute deviation of the height of the dogs.
OA 15
OB 10
OC. 3.2
OD
none of these

HELP HELP HELP HELPPPPPP

PLEASE HELP!!!!!!!!!!!!!!

.
Which list shows the numbers below in order from least to greatest?

3. Consider the equation 4t +10=34
(a) Write a real-world problem that can be solved using the equation.
(c) What does t represent in your scenario?

What is the sum of -4/7 and 6/7?

A. -2/7
B. 2/7
C. -10/7
D. 10/7

I Give Brainliest to Correct/Most Helpful answers :)
x + 4.5 ≥ 5.5
A. x ≥ 10
B. x ≥ 1
C. x ≥ 0.1
D. x ≤ 1

Can someone help me with this ASAP

A camera company routinely ships cameras that have 4 defective cameras for every 800 cameras shipped. Bradley works at a photo shop that sells the cameras to consumers. If Bradley sells 200 cameras, how many can Bradley expect to be defective?


A.50 cameras


B.8 cameras


C.4 cameras


D.1 camera

5/6 x 8/6 will become.....
A. smaller because both fractions are less than one

B. become smaller because both fractions are bigger than 1

C. stay the same

D. become larger because 8/6 is larger than 1

PLEASE HELP! It's about inequalities
Annie is buying new school supplies. She has a budget of $45, and she has already spent $21. She wants to spend the remaining money on notebooks that cost $4 each. What is the greatest number of notebooks, x, Annie can purchase while staying within her budget?

Part A: Write an inequality to represent the situation.

Part B: Solve the inequality. Show all of your work.

Part C: Interpret the solution in terms of the problem.

PLEASEEEEE HELPPPP MEEEE!!!! There are 5 friends who decide to split an 88- ounce bag of popcorn. If they split it evenly, how many ounces of popcorn will each friend get?
Solution:

Number Model:

Explain what you did with the remainder and why.

7(10+7)+7(10)+7(7) is an example of which property? A.Commutative B.Distributive C.Associative D.Reflexive

What is the sum of 2−5++?
Available Responses:
3x 2x -6y +6y -5y +5y -4y +4y

_____+_____

Emile wants to earn $100. She picks blueberries and is paid x dollars a bucket. She averages 4 buckets per day, and she has already picked blueberries for 5 days.
Which of the following expression represents how much more money she needs to earn to meet her goal?
A. 20x
B. 80x
C. 20(5 - x)
D. 20(5d-1)

just help me, please

Select the graph that matches the equation. y= - x\2 + 1

Heeeeeeelppppppppppp

76767676767676767676767676767676767676767676767676767676767676767676-67676767676767676767676767676767676767676767676767676767676767676767

Jack has 125 baseball cards. 50 cards are Astros players. What percent of Jack's cards are Astros players?

Peter is 2 years older than Winnie. Peter's age is 16 years less than seven times Winnie's age. The equations below model the relationship between Peter's age (p) and Winnie's age (w):

p = w + 2
p = 7w − 16

Which is a possible correct method to find Peter's and Winnie's ages?

Solve w + 2 = 7w − 16 to find the value of w.
Solve p + 2 = 7p − 16 to find the value of p.
Write the points where the graphs of the equations intersect the x axis.
Write the points where the graphs of the equations intersect the y axis.

Identify whether each of the following equations has a unique solution, no solution, or infinitely many solutions.

What is the slope of the line graphed on the coordinate plane?


enter your answer in the box.

The media center has 3 adults and 27 students.

Select all ratios that apply.

Group of answer choices

-9/10 of the people in the media center are students

1- There are 9 students per teacher in the media center.

2- 1/9 of the people in the media center are teachers

3- There are 10 students per teacher in the media center

4- 8/9 of the people in the media center are students

5- 88.8888...% of the people in the media center are students

6- The ratio of students to teachers is 1:9

7- 90% of the people in the media center are students

8- 90% of the people in the media center are teachers

9- 1/10 of the people in the media center are teachers

10- The ratio of teachers to students is 1:9

x-3y=7
2x - 6 y = 12
Solve by Elimination

Help me with this question, please