Car gets 38 miles per gallon and at present gas costs $2.18 per gallon. planning a vacation which is 168 miles away. how much money will this trip cost

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Precalculus question, image attached.

Paco orders an ice cream for $1, but realizes his wallet is at home and he only has 3/20 of $1 with him. if his mom pays the remaining 7/20 of the dollar, how much will she pay? $0.05 $0.15 $0.85 $0.95