Answer: B
Explanation: 9 is the only odd number meaning it’s contradicting the claim that all perfect squares are even since 9 isn’t even. a 3x3 square would be 9 but its also perfect explaining how not all perfect squares are even.
Answer:

Step-by-step explanation:
Given
--- base of the tank base
--- height of the tank base
--- height of the tank
Required:
Determine the volume of water needed for 6 inches below the top
First, calculate the area of the tank base.




If the tank is filled 6 inches below the top, this means that the height of the water is H - 6.
So, the volume is:

Substitute 240 for Area and 36 for H



Answer:
Length=2
Step-by-step explanation:
(2w+4)/(w+2)=2
Hello,
(x+3)²=x²+2*3*x+3²=x²+6x+9
Answer A