Answer:
-4
Step-by-step explanation:
The function is linear; therefore, the slope of the line joining any two points is the same.
We take any two points from the table and compute the slope or rise/ run between them— let is take points (-4, -2) and (-2, -10).
The slope
of the line joining the points is

The slope of the function is -4.
Answer:
Step-by-step explanation:
If the presale price is
,
then 
Thus the presale price is $12.0
Answer:
false
Step-by-step explanation:
C= .75d because when you subtract 25 from 100 you get 75 and when you will multiply .75 by d you will get the discounted price.