Step-by-step explanation:
The volume of cement in cubic feet that the crew needs to fill the patio is 55 cubic feet.
I am pretty sure
This is true.
These are perfect squares: 4, 9, 25. These are not: 7, 8, 11
You have to substitute 3+h for x, then work out the equation.
(3+h)^2 + 3(3+h) + 5 = 9 + 6h + h^2 + 9 + 3h + 5 =
h^2 + 9h + 23
Answer B.
