1.   What is Sn if a1 = 27.5, d = 1.5, and n = 35?
    A. 2152.5 B. 1245
    C. 1855 D. 98,175
    Hint

  2.   What are the first three terms of the arithmetic series if a1 = -1,
an = -115, and Sn = -1160?
    A. -1, -7, -13 B. -115, -121, -127
    C. -1160, -1166, -1172 D. 20, 14, 8
    Hint

  3.  
    A. 838.5 B. 430
    C. 820 D. 860
    Hint

  4.   Chavez needs to buy gasoline every week for a year (52 weeks). The first week he spends $10.00. If the amount he spends increases by $0.10 every week, how much will he spend on gasoline this year?
    A. $657.80 B. $667.80
    C. $572 D. $652.60
    Hint

  5.   Evaluate
    A. 377 B. 403
    C. 434 D. 372
    Hint



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