Simplifie (2(x^2+y^15)^4 +9)/ (1/2^3)

On saturday a souvenir shop had 125 customers.sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?

What is the value of x in the following equation. -x ^3/2 = -27

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.