Answer:C (-2, 1)
Step-by-step explanation:
The answer to the questions
Answer:

Step-by-step explanation:
Given expression:

Remove parentheses:

Collect like terms:

Combine like terms:

Answer:
Step-by-step explanation:
In the first column, put days at the top and pounds at the bottom.
So Day 1 = 75 pounds, Day 2=150 pounds, Day 3 = 225 pounds, etc..