Roberto received the same score on each of five exams, and his mean score is 84. Find his median score and his modal score.
?
A. median 79, mode 74
B. median 89, mode 89
C. median 84, mode 84
D. median 74, mode 74
E. median 89, mode 79
Answer: C
Mathematics
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Solve the problem.The results of a school election for student president are shown in the following table. 
What is the probability that a randomly polled voter voted for Candidate C?
A. 0.6 B. 0.3 C. 0.5 D. 0.24
Mathematics
Solve the equation.
= 1 + 
A. ? B. x = 8 or -10 C. x = -8 or 10 D. x = -20 or 10
Mathematics
Solve the equation.
= 4
A. {20} B. {8} C. {4} D. {1}
Mathematics
Find the exact value. If the value of the function is not defined, write undefined.sec 
A. 
B. 0
C. Undefined
D. -1
Mathematics