Answer:
The perimeter of the rectangle is equal to 
Step-by-step explanation:
Let
L-----> the length of the rectangle
W ----> the width of the rectangle
we know that
The perimeter of rectangle is equal to

we have

substitute



Answer:
x=25
Explanation:
Using the method of cross multiplication and division set up like so,
(100•4.5)/18 will give you 25.
4.5•100=450
450/18=25
Answer:
8 inches
Step-by-step explanation:
Volume of a cube: side length cubed
x^3=512
Taking the cubic root of both sides, we get
x=8