Help me please

I'm being volume of cylinder with 13 in. radius and 30 in height answer choices in pic

If f(x) = 2x - 6 and g(x) = 3x + 9, find (f - g)(x). a. (f-g)(x) = x + 15 o o b. (f- g)(x) = -x - 15 o c. (f- g)(x) = 5x + 3 o d. (f- g)(x) = -x+3 submit

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol