Seven is the GCF of 56 and 49
GCF meaning greatest common factor
The picture is unclear so I cannot really help. I'm sure I could if it was clearer though.
An expression is like an equation, but without an equal sign.
Therefore, you could say...
14 stones + 6 stones
or just...
14 + 6
Vas happenin!
The answer is
57 pi ft squared
Hope this helps
-Zayn Malik
