Perform the addition or subtraction and write the result in standard form.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: A
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Solve the problem.An election is held among six candidates (A, B, C, D, E and F). There are 57 voters. Using the method of pairwise comparisons, A, B, and C win 2 pairwise comparisons each. D wins 4 pairwise comparisons, E wins no pairwise comparisons, and F wins all the rest. In this election
A. There is no Condorcet candidate. B. F is a Condorcet candidate. C. D is a Condorcet candidate. D. Cannot be determined from the information given. E. none of these
Determine whether the pair of triangles is congruent by the ASA property. 
A. Yes B. No
Determine the scalar c so that the vectors v and w are orthogonal or parallel as indicated.v = 
, w = 
; orthogonal
A. c = 3 B. c = -3 C. c = 4 D. c = -4
Solve.There are currently 57 million cars in a certain country, decreasing by 1.9% annually. How many years will it take for this country to have 31 million cars? (Round to the nearest year.)
A. 32 years B. 14 years C. 171 years D. 26 years