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 TV in a school of 650 students?
A. About 12 students
B. About 78 students
C. About 117 students
D. About 130 students
Answer: B
Mathematics
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Solve the equation.- 
a = 0
A. -17 B. 1 C. 17 D. 0
Mathematics
Answer the question.With respect to what line are the 6 sixth roots of -1 symmetric?
A. The line y = x B. The line y = 0 C. The line x = 0 D. The line y = -x
Mathematics
Graph the system of inequalities, and find the coordinates of the vertices.6y - x ? 8,-y + 3x ? 6,x ? 0
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Mathematics