Width = x then length = 2x
2x * x = 18
x^2 = 18/2 = 9
x = 3
So the width = 3 feet and the length = 6 feet.
The answer would be 2x^2+2x-4
Answer:
A and B
Step-by-step explanation:
An equivalent system of equation is found by adding or subtracting the second equation or when any multiple of both equations are added or subtracted to each other.
Let us see part by part.
A.
