The number of students at plainview high went from 520 to 624 in just on year. this years student body is what percent of last years?

Ithink i know it but i want to be sure so can you me out ?

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.

The table shows values for functions f(x) and g(x) . x f(x)=−4x−3 g(x)=−3x+1+2 −3 9 179 −2 5 53 −1 1 1 0 −3 −1 1 −7 −7 2 −11 −25 3 −15 −79 what is the solution to f(x)=g(x) ? select each correct answer.