Solve the proportion for X

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

Given the graphed function below which of the following orders pairs are found on the inverse function

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm