5. A cylinder has a height of h and a diameter of d. Which of the following
changes would result in twice the
volume?

I'm so close to finishing all these.

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.