Me at school right now

Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

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

Select true or false to tell whether the following conditional p q is true or false. use the truth table if needed. if a week has seven days, then a year has twenty months.