Refer to the attachments...
Dont see any answer choices... but Volume= L*W*H
A cube, the sides are equal. So 13^3 or 13*13*13 = the volume of the cube. Then work your way to the rectangular prism.
Yes, i<span>n mathematics, a </span>rational number<span> is any </span>number<span>that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q.</span>
X/28 = 5/7
x = 28 * 5 / 7
x = 20
answer
x = 20 ft