Hailey simplified the expression (12xy74x4y3)2 using the following steps:

Step 1: (3x−3y4)2

Step 2: 3x−6y8

Step 3:3y8x6

Did Hailey correctly simplify the expression?
A
Yes, Hailey correctly simplified the expression.

B
No, in Step 1, Hailey should have added the exponents instead of subtracting them.

C
No, in Step 2, Hailey should have squared each exponent value instead of multiplying each value by 2.

D
No, in Step 2, Hailey should have also multiplied the exponent of the coefficient by 2 to get 32.

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

Solving algebraic equations 2m+3=11

Afunction, f(x), represents the height of a plant x months after being planted. students measure and record the height on a monthly basis. select the appropriate domain for this situation. a. the set of all positive real numbers b. the set of all integers oc. the set of all positive integers od. the set of all real numbers reset next