The function P(x) = - 0.015x ^ 2 + 1.2x - 11.5 gives the profit, in thousands of dollars, a company sells a new product atd dollars per unit. Which of the following statements be interprets the average rate of change of this function from x = 50 to x = 55 ? PLS HELPPP

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

The volume of a cube is 8 in to the 3rd power. how long is each side?

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2