Evaluate the arithmetic series described:
28 + 38 + 48 + 58..., S₇

Evaluate the arithmetic series described:
14 + 23 + 32 + 41..., S₁₁

Evaluate the arithmetic series described:
0 - 7 - 14 - 21..., S₁₇

Evaluate the arithmetic series described:
2 + (-2) + (-6) + (-10)..., S₁₀

Evaluate the arithmetic series described:
1 + 3 + 5 + 7..., S₈

Evaluate the arithmetic series described:
a₁ = 12, a_n = 64, Find S₁₄

Evaluate the arithmetic series described:
a₁ = 5, a_n = 145, Find S₁₅

Find S_n for the given series:
a₁=22
d=-8
n=21

Find the sum: 11 + 15 + 19 + .......+ 83

Evaluate the related series of the sequence 13, 15, 17, 19, 21, 23.

An arithmetic series is the sum of the terms in an arithmetic sequence.

Evaluate the arithmetic series given the following: .

Determine the number of terms in the arithmetic sequence given the following: .

Given the following: , how many terms do the arithmetic sequence have?

Summation is the compact form of an arithmetic series.

Evaluate the series: $$\sum_{n=1}^63n$$ .

Evaluate the arithmetic series: $$\sum_{n=1}^{10}\left(7n-2\right)$$ .