A =s^2 since the wall is square
78 =s^2
take the square root of each side
sqrt(78) = s
s=8.83 ft
Choice B
Answer:
1 dsd
Step-by-step explanation:
c
x = 1.5
First, calculate 6-9, which is -3.
Then we add 9 on both sides so that on the left, we only have 4x, and on the right, we have 6.
Then divide by 4 on both sides to get x = 1.5
