Find the reciprocal.
A. -21
B. 
C. 
D. 
Answer: D
Mathematics
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Use U = universal set = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 5, 8}, B = {2, 3, 5, 7}, and C = {1, 4, 9} to find the set.
? 
A. {6, 8} B. {1, 2, 3, 4, 5, 7, 9} C. { } D. {0, 6, 8}
Mathematics
Evaluate without using a calculator by using ratios in a reference triangle.cot 120°
A. 
B. -1
C. - 
D. - 
Mathematics
The circle graph shows the results of the student council presidential election and the percent of the vote each person received.
What percent of the votes did Ming and Matt receive together?
A. 61% B. 17% C. 22% D. 39%
Mathematics
Estimate by rounding as directed. 2.06 + 0.013 + 0.197; nearest one
A. 3 B. 2.3 C. 2 D. 2.27
Mathematics