Answer:
Nicole is correct
Step-by-step explanation:
by multiplying the first equation by 3 it becomes:
3x + 6y =21
this can cancel the -3x in the second equation when adding them together
Answer:
720
Step-by-step explanation:
area= length × width
Answer:
i think it is B or C sorry that i can not have a direct answer i just do not want to get the answer wrong
Step-by-step explanation: