Big ideas math geometry chapter 5 quiz

assuming you mean addition: addition and subtraction are reverse operations.

step-by-step explanation:

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

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