The stairwell in a museum is in the shape of a cylinder. The diameter is 20 feet and the height is 100 feet. The museum needs to paint the inside of the stairwell. How much paint will be used? (Round to the nearest tenth.)

Math i have no idea how to do a and b

Factor the gcf out of the polynomial 9x^6+6x^4+15x^3

*15 pts* the graph of an exponential function of the form y = f(x) = ax passes through the points and the graph lies the x-axis. first line choices: (0, a) (0, 1) (0, 2) (0, -1) second line choices: (1, 0) (1, a) (1, 1) (1, -2) third line choices: above below on the