Adjaratou and her friends are planning on going to a snail exhibit. Her and 8 friends will go to the exhibit and then to Alpha’s dance recital. Each ticket to the snail exhibit costs $2 more than each ticket to Alpha’s dance recital. A chopped cheese snack for all of them is an additional $8.

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for

one set of data has more variation than the other. hope this !

-1   1/6.   you dont subtract the denominators

step-by-step explanation: