-10 , -6 , -2 , 2 , this sequence in an A. P.? why?

(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

hope i

y=3n + 1

step-by-step explanation:

this is wrong because it says the second number is one less and i added one instead

nope.   happens to me as well.

-aparri