simplify the expression (a^3)^k*a^k

Elaine just accepted a new job and is working with the company's HR department to fill outpaperwork. Which of the following steps is she responsible for?a. Determine how much tax to withhold from her paychecks based on W-4 informationb. Complete a W-4 formc. Send withholding amounts to the federal governmentd. Complete a W-2 form Convert the polar equation r=3 to a Cartesian equation.x^2+y^2=3x^2+y^2=3x^2+y^2=9 PLEEEEASE ANSWER ASSAPSubtract and simplify:812 523 = _____ for self-constructed assets, the costs incurred include labor, materials, and multiple choice question. overhead. depreciation expense. research and development. operating costs. copper has two stable isotopes,and , with masses of 62.939598 amu and 64.927793 amu, respectively. calculate the percent abundances of these isotopes of copper. Which graph does not represent a function? 4. Compare and contrast the media of the two stories. In your opinionmedia of the stories affect audiences in similar or different ways? Give examples. Solve the equation. Check your solution.20x - 4= 50x + 2x=(Simplify your answer. Type an integer or a simplified fraction.) Find the perimeter of a rectangular garden that has a width of 4x6 and a length of 2x+4. A6x2B12x4C8x^2+4x24D12x^2+20 To make an open box from a 175cm by 100cm piece of cardboard, equal-sized squares will be cut from each of the four corners and then the sides will be folded up. What is the approximate volume of the largest possible box that can be made?Group of answer choices:A) 324,146 cm^3B)162,073cm^3C) 251,707cm^3D)189,640cm^3 Write the sum of (4 10) + (3.2 10) in scientific notation.A) 43.2 x 104B 4.32 x 105C) 43.2 x 105D) 7.2 x 10 How to solve 9/10 x 5/2 -5/4 a reaction involving acetic acid has an enthalpy change of 55.7 kj/mol. what is the concentration of 27.90-ml of this acetic acid solution if the reaction it is involved in evolves 716.12-j of heat? PLSSS HELP IF YOU TURLY KNOW THISS when an issue necessary to the development of the value opinion is uncertain as of the effective date of the assignment results of the appraiser will use: Sean, Kevin and Bill take classes at both JJC and CSU. Sean takes 8 credits at JJC and 4 credits at CSU; Kevin takes 10 credits at JJC and 6 at CSU: Bill takes 6 credits at JJC and 4 at CSU; the cost per credit at JJC is $103 and at CSU is $249. a) Write a matrix A that gives the credits each student is taking and B that gives the cost per credit at each school. b) Find the dimension of A and B. c) Find the product AB and the names of its rows and columns. a customer makes a $1,900 purchase at applianceworld, paying with a credit card. applianceworld is charged a 4% fee by the credit card company. when recording this sale, applianceworld would: 2x + 4x = 3x + 3x Solve for x. an opinion poll of 4,000 (randomly selected) voters is con- ducted. the fraction of all voters in the population with an annual income above $50,000 is 35%. what is the chance that 1,450 or more of the voters with annual incomes above $50,000 will be polled? What does the piece above symbolize?a.soaring to new heightsb. being free from stereotypes and racismC.freedom and equality for blacks