The value of m is 12 6/7.
Explanation:
To find m, we want one m instead of 7, so we divide both sides by 7. 7m/7 = 90/7, which would be m = 12 6/7.
Answer:

Step-by-step explanation:
Since perimeter,
and we know that P=2(l+w) then 
The length will be 
Now 
The answer would be:
C. 144in2
hope that helped
Answer:
=60 cm
Step-by-step explanation:
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