Four more than the product of a number and 9 is equal to 7

1/3

Step-by-step explanation:

9x+4=7

9x+4-4=7-4

9x=3

X=3/9

X=1/3

is this part of a question or something

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