answer
c.)
Step-by-step explanation:
(-2x)^4 = -2x^4
which is the same as answer c.)
Answer:
it more than tripled
Step-by-step explanation:
I'm not sure if you need more but it requires me to type more to send the answer
Step-by-step explanation:
Given function is,

Where,
y = amount paid to the gym in dollars
x = number of months
So when x = 0, y =55(0)+80 = 80
i.e when number of months is 0, you have to pay a fee of $80.
This is the one time fee to open a membership.
After that for each month you have to pay $55 for each months.
So 55 is multiplied with x.
The answer should be
780x + 1500y=31000
please correct me if i'm wrong
Answer: 
Step-by-step explanation:

Distribute the negative sign. This basically changes all the signs inside the parentheses.

Combine like terms;
