What's the volume of the sphere? 14ft is the diameter.

What is this equation in point-slope form?

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?