Find

for the arithmetic series:

(just type in the answer)

Find

for the arithmetic series:

(just type in the answer)

Find

for the arithmetic series:

(just type in the answer)

Find

for the arithmetic series:

(just type in the answer)

Find the sum of the arithmetic sequence:

5, 7, 9, ..., 27

Find the sum of the arithmetic sequence:

89, 86, 83, ..., 20

Find the sum of the arithmetic sequence:

Find the sum of the arithmetic sequence:

Find the sum of the arithmetic sequence:

Find

for the geometric series:

(just type in the answer)

Find

for the geometric series:

(just type in the answer...as a fraction)

Find the sum of the geometric series:

(find r using 160r=80...like we did on Thursday)

160 + 80 + 40 +...+ 5

Find the sum of the geometric series:

(find r using 1r=3...like we did on Thursday)

1 + 3 + 9 + 27 + ... + 729

Find the sum of the geometric sequence:

Find the sum of the geometric sequence:

Find the sum of the geometric sequence:

(input your answer as a fraction)

Find the sum of the geometric sequence:

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