Question: A. Find the sum:3 + - 4 + - 11 + ... + - 53 B. Find the partial sumS13 for the arithmetic sequence witha=2,
A. Find the sum:3 + - 4 + - 11 + ... + - 53
B. Find the partial sumS13 for the arithmetic sequence witha=2, d=3
C. A man gets a job with a salary of $37,900 a year.
He is promised a $2,340 raise each subsequent year.
During a 9-year period his total earnings are?
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