You paint 1/3 of a wall in 1/4 hour. at that rate, how long will it take you to paint one wall? will give brainliest answer

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

The radius of a sphere is 3 inches. which represents the volume of the sphere?

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.