Answer:
See below:
Step-by-step explanation:
We can first setup an equation by doing the following:
Whole proccess above!
If you would like an explanation, please let me know so.
Its basically algebra and it's mainly on how you interpret it!
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Answer:
the leading coefficient of a polynomial is the coefficient of the term with the highest degree of the polynomial
so the answer should be the second one -7+6x+5x^2
2 commercials would take 2×1¾ min= 2×7/4min= 7/2min
so the entertainment segments = 20-7/2= 33/2
each would contain = 33/2÷3 = 33/2×1/3 = 11/2
= 5½
answer =5½