280 divided by 7 equals 40 and forty times 12 equals 480 so the answer is 480
Answer:
I think 10
Step-by-step explanation:
10x-5
You multiply each term in the parentheses by 5
Answer: 
Step-by-step explanation:
Given


is given by replacing the
by
from the 

Now,
is

Answer:
21/4 or 5.25
Step-by-step explanation: