Answer:
See like terms have the same variables
E.g 2x+4y-x+7y
We should take the same variable together with the same signs so here
2x-x will be 1x
4y+7y will be 11 y
So x+11y
Hope it helps!
Answer:15
Step-by-step explanation:
Answer:
It has a negative rate of change.
Step-by-step explanation:
She is losing money so the rate of change is negative