He formula for the surface area of a sphere is a = 4πr2. which equation correctly solves the equation for r? a) r = 4πa b) r = a 4π c) r = a 4π d) r = a 4π

What is the unit rate to: a 13-ounce package of pistachios costs $5.99.

Twelve friends shared 8 small pizzas equally.how many pizzas did each person get?

Answer 20 points and brainiest ! on the board, your teacher writes an example of how to find the median. one of the numbers is erased, leaving what is shown, 18, 30, 26,12 22. what is the median? a. 10 b. 20 c. 24 d. 28