100 POINTS QUICK ANSWER PLEASE

PLEASE EXPLAIN YOUR ANSWER TO

Which number can be added to a rational number to explain that the sum of rational

number and a irrational number is irrational?

A)-8

B) 2 1/6

C)

D)

A

-8

Step-by-step explanation:

I think that it is A because rational numbers can be integers and -8 is an integer unlike all the others. Rationals have to be integers or whole numbers and none of the other answers are.

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