(x-9)(x-3), because -9 and -3 make a sum of -12 and a product of +27
The geometric sequence is a sequence in which the proceeding number is equal to the preceeding number multiplied by a ratio. The expression that represents this sequence is an = a1*r^(n-1) where r is the ratio and n is an integer. This type of formula is exponential
Hi there!
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I believe your answer is:

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Here’s why:
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Hope this helps you. I apologize if it’s incorrect.
Answer:total cost= 20x+50 x= number of hours
Step-by-step explanation: Gooooooooooooogle
M+n= 14, and 14/9 equals 1 and 5/9.