Answer:
C is correct
Step-by-step explanation:
do you know why? haha
Answer:
.
Step-by-step explanation:
To solve this problem, we need to simplify the expression
.
We know that 
Therefore:
.
Answer:
You plug in x and solve for each value. Look at attachment for answers
Step-by-step explanation:
Each term differs by -68 and the first term is -68, we have:

As an expession it's just -68n.
Answer:
$74.80
Step-by-step explanation:
10% = 8.8
5% = 4.4
8.8 + 4.4 = 13.2
88 - 13.2 =$74.80