Answer:
3x^2
Step-by-step explanation:
The missing term is the product of x and 3x.
x * 3x = 3x^2
Answer: 3x^2
Total purchase she did : $20.90+$18.95=$39.85
7% tax means that we have to 7% or (7/100) extra
7% X 39.85= 2.79
total pay: 39.85+2.79=42.64
total cash: $50
what she gets back: 50-42.64=7.36
37.
13 - 7 = 6
Her Mom Uses 6
38.
9 + 8 = 17
Andrew Had 17 Muffins
Answer: Ron tower's
Step-by-step explanation:
Given
Ron tower has a base of 
Freddy tower has a base of 
Suppose the tower is in the shape of a square prism
The volume of Ron and Freddy tower is 
The volume of a square-based prism is

The height of Freddy tower is

Thus, the height of Ron's tower is more than Freddy's tower by 