The bus driver made 6 stops on his way into town. no passengers left the bus. by stop 3, there were 9 passengers on the bus. how many passengers were on the bus by stop 5?

Consider the graph of the exponential function y=3(2)×

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?