Change the height of the rectangle in the picture To determine which of the following descriptions is accurate

What is the product of the radical expression. (7-2square root) (8+2 square root)

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.