Answer:
D) 3x
Step-by-step explanation:
The difference of adjacent terms is ...
(-7x) -(-10x) = (-7+10)x = 3x . . . . the common difference
Answer:
B. W - 5
Step-by-step explanation:
The length is shorter than the width of the swimming pool by 5.
Width = W
Therefore the length of the pool would be W - 5
A=s^2, where s is a side length, and we are told A=150ft^2 so:
s^2=150
s=√150
s≈12.25 ft
So you would need a piece of carpet 13ft by 13ft
