What type of triangle is this.

Asphere has a diameter of 10 in. what is the volume of the sphere?

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.