The answer is a square.
All four sides are congruent.
Answer:

Step-by-step explanation:
Given : Expression 
To find : Select the expression that is equivalent to expression ?
Solution :
Re-write the expression as,






The above are the possible equivalent expressions.
It takes three 1-gallon buckets to paint 72sqft, if you simplify or find the unit rate, you can know that you can paint 24sqft with one 1-gallon bucket of paint. Since you need to paint 90 sqft, you can’t use three buckets because it only covers 72sqft, but if you use 4 buckets, it will cover 96sqft.
THE ANSWER IS 4 1-GALLON BUCKETS OF PAINT