Because none of those are the right answer. you are given units in feet in the diagram. but are told 6 inches are lost in 4 hours. so you multiply length width and height keeping the feet then subtract .5 ft. the equation should look like V=(12×7×8)-.5
Answer:
package D
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All numbers are real numbers.

is irrational
3/2 is your answer now free points woo hoo
The answer is C
expand the equation then you will get 3-10x-5=9+3x, simplify you get 13x=-11