A survey showed that students had these preferences for instructional materials. Use the graph to answer the question.
About how many students would you expect to prefer lectures in a school of 550 students?
A. About 198 students
B. About 99 students
C. About 110 students
D. About 18 students
Answer: B
Mathematics
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Write the sum without sigma notation and evaluate it.
A. cos 8? + cos 24? = 2 B. cos 8? - cos 16? + cos 24? = - 1 C. -cos 8? + cos 16? - cos 24? = -1 D. cos 8? - cos 16? + cos 24? = 1
Mathematics
Solve the problem.Find the perimeter. Approximate the result to the nearest tenth using 3.14 for ?.
3 cm
A. 19.7 cm B. 24.4 cm C. 27.4 cm D. 22.7 cm
Mathematics
The the angle in [0, 2?) coterminal with the given angle.
A. 
B. 
C. 
D. - 
Mathematics
Name the highlighted angle using the three-letter form of identification.
A. ?N B. ?GNE or ?ENG C. ?ANG or ?GNA D. ?ANJ or ?JNA
Mathematics