Answer:
The total cost depends on the weight of the pacakge
Answer:
The answer should be C) 4x + 5x = 180
Step-by-step explanation:
area=legnth times width
we notice this is a special case
(a+b)(a-b)=a^2-b^2
area=(a+3b)(a-3b)=a^2-9b^2
area=a^2-9b^2
Did you ever find the answer?
