Answer:

Step-by-step explanation:
let me know if this is right please :(
Answer:
4(-80) = -320
Step-by-step explanation:
His elevation decreased by 80 each hour. Since he was walking for 4 hours, the equation would be
4(-80) = -320.
Answer:
The answer is c
Step-by-step explanation:
1. It is the product of a square, meaning it can be simplified to (x+10)(x+10) or (x+10)^2