C^2+7 would equal 88. the first equation states that C=9, so you can just plug in 9 for C
Answer: 11219861986
Step-by-step explanation: i used a calculator
So the expression is:

You can combine like terms, which are terms that contain the same variables raised to the same power. That means you can combine the two

.

The other terms can't be combined.
Your final answer should be

.
Answer:
2nd and 4th options
Step-by-step explanation:
both answers begin with a fixed point drawn with a straight line through a point that continues on by showing an arrow
Step-by-step explanation:
$15
He keeps 8. He saves 5 so 8+5=13
He also gives $2 to charity.
8+5+2= $15