It depends.
4 in total if you're looking for x and y for both equations.
Answer:
Step-by-step explanation:
(1, 5.5) ; (2, 9)
Slope = 

= 7/2
m = 7/2 ; (2 , 9)
y - y1 =m(x -x1)

Multiply the equation by 2

Answer:
What grade is this
Step-by-step explanation:
I can give you the answer but you have to be patient like 30 min
Answer:
75 miles
Step-by-step explanation: