Answer:

Step-by-step explanation:
y = -3x + 9 ⇌ 3x = 9 - y ⇌ x = -y/3 + 9/3 ⇌ x = -y/3 + 3
Answer:
21.30
Step-by-step explanation:
85.20/4
Answer:
1 gallon = 16 cup
Step-by-step explanation:
Gallon is a larger measurement unit than cup.
If I understand what you're saying. It would be the absolute value of -37, which is 37. Also, the absolute value of 37 is 37.
The answer would be A. He should use the mean because it is in the center of the data. I hope this helped ^^