Answer:
20 - 6c
Step-by-step explanation:
because that shows that 6c is the cost of them and you'd take the cost of them away from how much he payed i guess
Answer:
it’s b :)
Step-by-step explanation:
Answer:
all work is shown and pictured
<span>a
-7xy3 + 8x2y2 - + 4x4</span>