Answer:
I dont know you never explain properly
Step-by-step explanation:
B is the answer when the parabola is facing down it is negative
Answer:
25 = x
Step-by-step explanation:
The angles are vertical angles and vertical angles are equal
5x+15 = 6x -10
Subtract 5x from each side
5x-5x+15 = 6x-5x -10
15 = x - 10
Add 10 to each side
15+10 = x-10+10
25 = x
The discounted price is $14.40. Hope this helped.