Simplify the following expression. Show your work.

no ,sorry if you needed it but you can ask and try to see if any one will anwser ,

step-by-step explanation:

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, 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

answer: the four apples you took away.

step-by-step explanation:

6 cars because if you have 8 and subtract 2 youll have 6 left over