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 written materials in a school of 350 students?
A. About 126 students
B. About 9 students
C. About 63 students
D. About 32 students
Answer: D
Mathematics
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Find the mode of these values:2, 2, 6, 6, 2, 4, 6, 2
A. 2 B. 3 C. 4 D. 6 E. 1
Mathematics
Express the product as a sum containing only sines or cosines.-2 sin(5?) sin ?
A. cos(6?) + cos(4?) B. cos(7?) - cos(3?) C. cos(6?) - cos(4?) D. cos(7?) + cos(3?)
Mathematics
Factor the expression completely. If the polynomial is prime, state this as your answer.8x2y - 50y
A. 2y(2x - 5)2 B. 2y(2x + 5)2 C. prime D. 2y(2x + 5)(2x - 5)
Mathematics
Write out the first five terms of the sequence.an = 
A. 
, 
, 
, 
, 
B. 
, 
, 
, 
, 
C. 
, 
, 
, 
, 
D. 
, 
, 
, 
, 
Mathematics