It’s my final question of my khan academy appreciate any :

I believe the answer is no solution. You can look at my work below. I got c is less than or equal to negative 1, and x is greater than 7; this statement is not true, so therefore, no solution

.

step-by-step explanation:

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