Answer:
8 ft.
Step-by-step explanation:
The formula for area of a square is:

We are given the area of 64 square feet.

Each side should be 8 ft.
Hope this helps.
Answer:
2x - 11 = 5
Step-by-step explanation:
x can be any variable
Factors
25 = 1,5,25
99 =1,3,9,11,33,99
Greatest Common Factor : 1
1 kilometer = 0.6214 miles
120 to 130 kilometers per hour = 120 x 0.6214 to 130 x 0.6214 = 74.56 to 80.78 miles per hour.