Answer:
x = -3
Step-by-step explanation:

Substitute -5 for p in the given equation and solve

You can use any letter but when you label it x you find x
The discounted price is $14.40. Hope this helped.
Answer:

Step-by-step explanation:


Answer:
5. y = -1/2x + 6
6. y = 1/2x + 150
7. y = 10x + 20
8. y = 25x
Step-by-step explanation:
Look at the y-intercept and eliminate the answers you dont need.
Then find the slope of each.