Need answers asap
what is the exact volume of the cylinder?

18π
in³

36π
in³

54π
in³

63π
in³

Writing the simplest form of a fraction means the numerator and the denominator have no common factors other than 1.a. trueb. false

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.