Option C
Olivia paid $ 15683.28 after 8 years
Answer:
Well like what? It could be anything, but what do you mean "like these"
Step-by-step explanation:
Im not an expert or anything, but i think for the innequality, i would say

as far as the amount of people she can invite, do 500-100=400 because of the setup fee, then, to find how many people she can invite. 400÷6.50 which leaves you with the highest amount of people she can invite without going over budget, as 61.
Answer: 20x < 100
subtract 20 from both sides
20 - 20 = 0
100 - 20 = 80
x < 80
Is 2x-5y=0 a direct variation
Answer: Yes