If a sphere and cone have the same radius and height, how is the volume of the sphere related to the volume of a cone?

Maria has $11 to buy fish for her aquarium. each goldfish costs $2. how many goldfish can she buy? do not include units in your answer

Trying to figure out the standard form equation for this graph

An angle bisector ac divides a trapezoid abcd into two similar triangles ? abc and ? acd. find the perimeter of this trapezoid if the leg ab=9 cm and the leg cd=12 cm.