Answer:
a= 31
b=92
c=44
Step-by-step explanation:
Idk what that answer is soooo
Hi there!
First we need to remember the following.

Now substitute both of the formulas.

Work out the parenthesis.

And finally collect terms.

~ Hope this helps you!
Answer:
x=8.6
Step-by-step explanation:
x=8.6
Answer: It's C because It was correct on my test.
If I wrong i'm really sorry
Step-by-step explanation: