In a school survey, students showed these preferences for instructional materials. Answer the question.
About how many students would you expect to prefer lectures in a school of 950 students?
A. About 18 students
B. About 342 students
C. About 190 students
D. About 171 students
Answer: D
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Classify the number as prime or composite.19
A. Prime B. Composite
Taking into account air resistance, a man will fall S feet in t seconds. The relationship is
.
?
A: Plot the graph of the graph of distance fallen versus time. Use a horizontal span of 0 to 10 seconds.B: Use the calculator to estimate the value of 
at 5 seconds into the fall. Round your answer to two decimal places.C: Explain in practical terms what the number you found in part B tells us. Round your answer to two decimal places.
What will be an ideal response?
Find v ? u.v = 
and u = 
A. 
i - 
j
B. 0
C. 
i - 
j
D. 
Find the vertices of the hyperbola with the given equation.36x2 = 16y2 + 576
A. (0, -6), (0, 6) B. (0, -4), (0, 4) C. (-6, 0), (6, 0) D. (-4, 0), (4, 0)