Answer:
m=-2
Explanation:
If a line passes through the points (4,5) and (2,9): to calculate the slope, use the formula below:

Substituting the points, we have:

The slope of this line is -2.
100% - x
115% - 84.87
x=(100*84.87)/115=73.8
Answer:
ANS: 1 - D
ANS: 2 - B
ANS: 3 - A
ANS: 4 - D
Step-by-step explanation: