If you mean this one then:
Yes it is a perfect square, since you get a whole number as the original points
And the answer is C
Net yardage=3-6-4+5=-2
So the team lost 2 yards in four plays...
Your answer is going to be 40
One formula for the lateral area is
A = 2(LW + H(L+W))
Filling in the given numbers, you have ...
A = 2((5.6 in)·(4.3 in) + (10 in)·(5.6 in + 4.3 in))
= 2(24.08 in² + 99 in²)
= 246.16 in²