Answer:
Step-by-step explanatio............................................
Answer:
the perimeter of a square is 4a.. where (a) is one side
therefore the equation formed is
3.5x(4)=2x+54
14=2x+54
2x= -40
x= -20
Answer: 
Step-by-step explanation:
Given: Density of tank = 0.4 fish over feet cubed.
We know that, 
Therefore,

Hence, the volume of the tank = 
The answer is C) NO solution.
5 - 15n = -5(3n - 2)
5 - 15n = -15n + 10
5 = 10
Since 5 = 10, its false so no solution.
11 centimeters is the length of the launch pad