Solve the problem.In a chemistry class, the following test scores were recorded for a student: 91, 88, 86, 85, 94, 90. Find the mean, median, and mode.
A. mean: 89, median: 89, no mode
B. mean: 89, median: 85, mode: 94
C. mean: 88, no median, no mode
D. mean: 90, no median, mode: 94
Answer: A
Mathematics
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What will be an ideal response?
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Solve the problem.For what values of t is r(t) = cos ti + sin tj + 
k continuous?
A. {t ? ?: -5 < t < 5} B. {t ? ?: t ? 5} C. {t ? ?: -5 ? t} D. {t ? ?: -5 ? t ? 5}
Mathematics
Draw an appropriate Venn diagram and use the given information to fill in the number of elements in each region.n(A) = 35, n(A ? B') = 24, n(A ? C) = 15, n(B ? C) = 14, n(A' ? B' ? C') = 10, 
A. 
B. 
C. 
D. 
Mathematics
Divide, if possible. If a quotient is undefined, state so.
A. -7 B. 8 C. -9 D. -8
Mathematics