1/4 is equal to 2/8, and you only add the numerators in fractions, so the answer is 2/8 + 7/8 which is 9/8, or 1 1/8.
3.2
3.1622 rounded to the tenth = 3.2
The answer is C because c=4h. Think of it like this, Chickens equal the number of horses times 4.
I believe the 2 is the largest
Step One
Find the area of the base
A = s * s
s = 755.5 feet
Area = 755.5^2
Area = 570780.25 square feet.
Step two
Multiply the volume by 3
V = 1/3 B * h
3*V = B * h
V = 85600000
85600000 * 3 = B * h
256800000 = B * h
Step Three
Divide by B
B = 570780.25
256800000 = 570780.25 * h
256800000 / 570780.25 = h
449.91 feet = h