I need help this is hard for me ewe

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

Evaluate the following expression 1/3^2

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48