Y = total cost
40 = The one time fee
90 = the service charge per month
x = number of months
The answer to your question is,
They have a total of $173 altogether!
-Mabel <3
Answer:
y =8
Step-by-step explanation:
Answer:
a^3b + 2a^2b^2 + ab^3
Step-by-step explanation:
(a+b)^2
= a^2 + 2ab + b^2
ab(a^2 + 2ab + b^2)
= a^3b + 2a^2b^2 + ab^3