Help me on this question

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

Which graph represents the given linear function 4x+2y=3

Find the slope of the line that passes through the points (-2, 4) and (-5, -6). -2/7 10/3 -2/3