How do i solve and identify double roots

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

Hundred and tens tables to make 430 in five different ways

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