Need . a point is chosen at random in the circle . what percent of the time will the point be in the shaded region? round to the nearest tenth of a percent.

Can someone me i’m confused. will give brainliest and a whole bunch of points

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4