Answer:
I got $7.75.
Step-by-step explanation:
66.85-4.85=62
62/8=7.75.
I believe the answer is 57
Answer:
is it right question or not tell me and I will solve it
Answer:
Option A is correct that is 
Step-by-step explanation:
We have been given a formula 

We will put values of n in
when n=2 we get
when n=3
Therefore, Option A is correct that is 
Answer:
2z+6 or 2(z+3) are the equivalent expressions
Step-by-step explanation:
z+(z+6)
opening the brackets
z+z+6
=2z+6
or if we take 2 as common the answer is
=2(z+3)
i hope this will help you :)