Answer:
use the formula of centroid that is
= x1+x2+x3/3
Answer:
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Step-by-step explanation:
sorry my bad copy paste error
For this case we have that by definition, the point-slope equation of a line is given by:

Where:
m: It's the slope
It is a point through which the line passes
According to the statement data we have:

Substituting we have:

By law of signs of multiplication we have to:

Answer:
The requested equation is: 
Answer:
Two letters that don't appear is q and z.

Y is the total price. X is the number of months. 30 is a flat, one time payment.