Pls help I have to have this done in 5 minutes

How do i solve uniform motion problems?

Tim earns $120 plus $30 for each lawn he mows. write an iniqualityvto represent how many lawns he needs to mow to make more than $310

If f(x) = 4 - xand g(x) = 6x, which expression is equivalent to (g-1)(3)? 6-3-(4 + 3)2 6-3-(4-32) 6(3) - 4+32 6(3)-4-32