Answer:
9+2a+7+4a-8
2a+16+4a-8
2a+8+4a
6a+8
Step-by-step explanation:
you can't really get an answer for this problem but you can simplify it
Answer:
top right
Step-by-step explanation:
If you imagine yourself building with that model you can see its that one
I think its A. There is a peak in the orders from 6 to 10 pounds
90x + 4
Factor out GCF
2 ( 45x + 2)