Write each expression in standard form .

-3(1-8m-2n)
5-7(-4q+5)
-(2h-9)-4h

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Which part of a 2-column proof is the hypothesis of the conjecture? a) given b) reasons c) prove d) statements ! i think it's b but i'm not quite

Find the value of x for which line a is parallel to line b