The combined volume of the two shapes is 3510 cubic inches.
To find the volume of each shape, use the formula: V = LWH.
The small shape is: 16 x 15 x 6 = 1350
The large shape is: 24 x 15 x 6 = 2160
2x^3+9, I just used an online calculator
What line? did you mean to add a picture?
Answer:

Step-by-step explanation:
we have

where
Q -----> is the daily output
A -----> is the number of people
For Q=621
Find the value of A
substitute and solve for A

Subtract 600 both sides


squared both sides


Subtract 41 both sides

Rewrite

.2 per treat 2 cents per treat