This is a square, and so all the sides will be the same measurements. Note that you are given an area, so you'll have to root the total area to get a side.
√400 = 20
One side's measurements is 20 in
hope this helps
Either you can use distributive property or you can add up the numbers in the brackets.
Hopefully that helped! :)
Answer:
you don't know how to take proper pics..
you looks a little boring..
and maybe intelligent..
and can't tell more since it's not very clear
Answer:
A. 
Step-by-step explanation:
÷ 
21 ÷ 7 = 3
28 ÷ 7 = 4
