What is the volume of the sphere in terms of a?
V =
in.
ANSWER : 288 pi in^3

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details