If f(a)=4a-5 what is f(3)-f(1.25)
a. -8
b. 7
c. 17
d. 32

Plz heeeeeeelp plz give me the answer

This is different from the first one can someone me

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)