Answer: 31700 sq mi
Step-by-step explanation: Well in order to find out the sq mi for Lake Superior you will add 7340 and 24360 which equals 31700 sq mi.

We need to solve for x, we need to get x alone

Lets start by removing -5
Add 5 on both sides


Now to isolate x , we need to remove the square from x
To remove square , take square root on both sides

square and square root will get cancelled

So
and 
72 miles=1 gallon
Step by step Explanation:
Divide 1080 by 15 and divide 15 by 15. You get 72 and one.
Hope me helped!
Answer:
56 + 8x
Step-by-step explanation:
8(7) + 8(x)
= 56 + 8x