Answer:
D
Step-by-step explanation:
The hexagonal prism has a an equation of volume = base * height.
Since we already know the base is 8 sq feet, we can plug in some values and use x as a missing value
40 = 8 * x
Divide by 8
5 = x
X is equal to 5.
Answer: $95
Step-by-step explanation:
Te new price will be 90 + 5x, if the price increases "x" times
The number of wind chimes sold per month will become 140 - 7x

Therefore, if the price becomes (90 + 5(1)) = $95 per wind chime, then the revenue will be maximum