Solve each equation. 9/2 = 3/4 (z +2/3) Please leave your answer as a fraction. PLEASE ANSWER ASAP!

9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.