Step-by-step explanation:
The answer is mentioned above.
Answer:
<h2>$648.70</h2>
Step-by-step explanation:
30% of 499 is 149.70
499+149.70=648.70
The water in the aquarium is a rectangular prism with dimensions 20, 12 and h (where the height is unknown).
We know that the volume is the product of the dimensions, and that it is 2400, so we have

There are 84 possible student body governments
<h3>The number of student body governments</h3>
The given parameters are:
Senior = 7
Junior = 3
Sophomore = 4
The number of student body governments is calculated as:
n = Senior * Junior * Sophomore
This gives
n = 7 * 3 * 4
Evaluate
n = 84
Hence, there are 84 possible student body governments
Read more about combination at:
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(2,4) and (5,13) is m=-1/3 and (4,5) and (9,-3) is m=-8/5