Find the indicated sum. If necessary, round to four decimal places.S10 for the geometric series 4 + 8 + 16 + ...
A. 2044
B. -2046
C. 4092
D. 1023
Answer: C
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The table shows the number of votes received by each candidate in an election along with the amount spent by the candidate on advertising. Use the table to answer the question.. CandidateNumber of VotesAmount Spent on Advertising ($) Jose Gonzales 57,209 59,104 Angela Wong 67,108 59,024 Sue Miller 67,091 102,376 Tyler Johnson 41,036 66,514 Sandra Ouye 41,009 72,607How much was spent on advertising by Tyler Johnson?
A. $41,036 B. $66,154 C. $66,514 D. $72,607
Solve the problem.The function f models the population of Country X from 1991 to 1998. The graphs of f and the horizontal line y = 345 are shown in the figure. Use the graphs to determine when there was (i) a population equal to 345 million and (ii) a population of 345 million or less. 
A. between 1994 and 1998; earlier than 1994 B. 1994; between 1991 and 1994 C. 1994; after 1994 D. 1995; between 1991 and 1995
Write out the sum.
A. 12 + 15 + 18 + ... + (3n + 9) B. 9 +12 + 15 + ... + (3n + 9) C. 1 + 2 + 3 + ... + n D. 3n + 9
Write an equation that expresses the relationship. Use k for the constant of proportionality.P varies directly as R and inversely as the square of S.
A. P = 
B. P + R - S2 = k
C. P = 
D. PRS2 = k