For 6 hours charges $330
for 9 hours charges x
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x = 9*330/6 = 495 so choice C. is right
Answer:
the volume of the container is 
Step-by-step explanation:
we know that
To find the volume of the container calculate the volume of one wooden cube block and multiply by 756
The volume of one cube is equal to

the volume of the container is equal to

Narrowing it down it's either a or c because the other 2 choices open downward (negative a).
Graphing the 2 parabolas choice c is narrower.
c
Answer: the Answer is b
Step-by-step explanation: