Find the area of the shaded regions below. Give your answer as a completely simplified exact value in terms of pi (no approximations).

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Astudent showed the steps below while solving the inequality |x-4|< 1 by graphing.

What is the geometric mean of 3 and 7? a) square root of 21 b) 2 square root of 6 c) 2 square root of 7 d) 21