Select the correct answer. What is the sum of the first 28 terms of this arithmetic sequence?
69, 75, 81, 87, 93, 99, ...
OA.
2,436
OB.
4,200
O C. 4,320
OD
4,368
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Step-by-step explanation:

it can be calculated by knowing first term(a) and no. of terms(t) and common difference (d).

hence we can calculate it using formula

Sn=n/2×(2a+(n-1)×d)

I think this is the solution but the answer is not in the option.

answer: what is the conflict?

step-by-step explanation:

*what has happened to new york city?

*what is in the time capsule?

* what did the kidz see that gave them hope?

*what will they do with what they find?

* how will they save the city?

* what challenges will they face along the way?

*what big choice will they make at the climax of the story?

* what lesson do they learn at the end of the story?