Cuanto es 2000 más 600​

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

You are shooting hoops after school and make 152 out of a total of 200. what percent of shots did you make? what percent did you miss? show proportion(s).