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: 
X=7 because 7-3 = 4, 7+8= 15,15x4=60.
Answer:
Step-by-step explanation:
I’m not too good with this but the answer should be 87.5
Answer:
B- One-Quarter
Step-by-step explanation: