The first several terms of a sequence are given. Find the indicated partial sum.-32, 64, -128, 256, . . . ; S5
A. - 352
B. - 480
C. 672
D. -512
Answer: A
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Add or subtract as indicated. Write the answer in simplest form.
+ 
A. 
B. 
C. 
D. 
Rationalize the denominator.
A. 
B. 1
C. 
D. 
Rank the choices as requested.The city council gave a questionnaire to its citizens, asking them to rank their priorities for next year's budget. People were asked to rank the following four choices: (P)olice, (R)oads, (S)chools, and (T)rash removal. The results are summarized in the table below.Number of Ballots
Rank the four choices using the pairwise comparison method.
A. T, R, S, P B. T, S, P, R C. T, P, R, S D. S, T, P, R
Use the given information to find the exact value of the trigonometric function.cos ? = - 
; The terminal side of ? lies in Quadrant III.
Find cos 
.
A. 
B. - 
C. - 
D. 