System of equations math problem, pls show work x+y=1 and 2x-y=-2

-2

7 - 9 = -2

reversed:

-2 + 9 = 7

maybe i can

look at the picture.

y-intercept for the function on a picture is 4 → point (0, 4).

y-intercept for the function

is for x = 0. substitute:

y-intercept is 8 → point (0, 8).

company a

step-by-step explanation:

using the linear regression models , it is found that company a   pays about $14 more. but using the same regression (linear) company b pays about $10 more.

so company a pays more than b