“I think of a number, multiply it by 3, add 4 and square the result

I choose 1 and multiplied by 3 and then by 4 so that is 7. 7squared is 49

(3x+4)(3x-4)

Step-by-step explanation:

3 * x= 3x

3x + 4

(3x+4)(3x-4)

the formula of a slope:

we have the points (-2, 7) and (2, 3). substitute:

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