Answer:
q = 15
Step-by-step explanation:
<u>→First, add 18q to both sides:</u>
-15 - 18q = -20q + 15
-15 = -2q + 15
<u>→Subtract 15 from both sides:</u>
-30 = -2q
<u>→Divide both sides by -2:</u>
15 = q
Choice C, it has the same slope as the given equation without being identical to it like choice a.
The minimum value of the function is (-4, -9).
So prime factorization is as it seems, finding the prime factors for a number. With this number, break it down as such:
<u>Looking at our factors, the prime factorization of 6400 is 
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