Answer:
25%
Step-by-step explanation:
APEX
x=6, x=0
+ = 25
The numbers:
1, -3, 2, -9, 3, -15, 4, -21,
are not linear.
If it was linear:
4, 3, 2, 1, -3, -9, -15, -21
Sorry, I don't have one.
5=p
18=3.50+2.75P
18-3.50=2.75p
14.5/2.75=2.75p/2.75
she can buy 5 popcorn