The result of 3x²-75=0

How is the number of vertices for a prism related to the name of the prism

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36