Answer:
9ab+3a
Step-by-step explanation:
(2a+a)(3b+1)=(3a)(3b+1)
3a(3b+1)
=(3a×3b)+3a×1
=9ab+3a
-8y is the answer.
-9y+y=-8y
2-1+6-7=0
Answer:
AINT NOBODY CARES ABOUT SCHOOL
but the amount they spent each month was 145$
Answer:
4.5 -3
Step-by-step explanation:

2 is even but is not composite. It is prime