What is the volume of a cylinder with a base radius 3 and hight 8

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)