Please help im doing a test and i need the answer fast

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Which equation is equivalent to the given expression? -(1/2y+1/4) a. -1/4(1+2y) b. 1/4(2y-1) c. -2(1/4y-1/8) d. 2(1/8-1/4y)