You would use the POINT SLOPE FORMULA and the Slope Formula
which is as follows ...
slope formula : 
point slope formula: 
Answer:
A, $1.08
Step-by-step explanation:
1.20 / 90 = 1.08
use a calculator
Answer:
-2/3
Step-by-step explanation:
The slope of a line can be represented as
where (x1, y1) and (x2, y2) are points on the line. We can substitute the points given, (-3, 5) and (6, -1), to calculate the slope:

Answer:
it is 1
Step-by-step explanation: