Answer: Option 2
Step-by-step explanation:
Let f(y)=x.

Answer:
11.2 gallons
Step-by-step explanation:
by multiplying 16 by 0.965 (as it is a 4.5% decrease per year) and then multiplying the answer by 0.965 and so on until done a total of 10 times gets you the answer 11.2 gallons. there is a quicker way to do it but I cannot remember sorry
Answer:
2x (a+b)
Step-by-step explanation:
They're allowed to join for $15. And for every event, they have to pay $3.
3x = 21
x = 7
Someone who has $36 can attend 7 events.