Find the sum. (−12) + (−6) + (−3) + (−7)

-28

Step-by-step explanation:

Technically, you just have to subtract all of these negatives. This is an easier way to look at it...

-12-6-3-7  It's easier (for me) to subtract left to right.

-18-3-7

-21-7

-28

Hope this helped you!! Have a great day c:

, 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

pla·gia·rism

/ˈplājəˌrizəm/

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noun

the practice of taking someone else's work or ideas and passing them off as one's own.

step-by-step explanation: