Solve the problem.In a school survey, students showed these preferences for instructional materials. Answer the question. 
About how many students would you expect to prefer films in a school of 450 students?
A. About 54 students
B. About 90 students
C. About 81 students
D. About 20 students
Answer: B
Mathematics
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Simplify using the quotient rule. 
A. 
B. 
C. 
D. 
Mathematics
Simplify.8x3 + x - 3(9x2 - 4x)
A. 8x3 - 9x2 - 3x B. 8x3 - 27x2 - 11x C. 8x3 - 27x2 + x + 12 D. 8x3 - 27x2 + 13x
Mathematics
Solve by using the square root property.(x + 2)2 = 20
A. x = 2
± 2
B. x = -2 ± 2
C. x = ± 2
D. x = -2 ± 2
Mathematics
Determine the correct equation for the line passing through the point (5,-8) and parallel to the line x + 5y = 20.
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Mathematics