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 computers in a school of 450 students?
A. About 90 students
B. About 162 students
C. About 36 students
D. About 81 students
Answer: B
Mathematics
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Solve. Write a mixed numeral for the answer.Find the perimeter (distance around) of the polygon below. Each side of the polygon has the same length. 
side length = 5
yd
A. 35
yd
B. 46 yd
C. 37
yd
D. 40
yd
Mathematics
Solve the system.x - y + z = -4x + y + z = -6x + y - z = 2
A. (-1, -4, -1) B. (-1, -1, -4) C. (-4, -1, -1) D. No solution
Mathematics
Use long division to divide the polynomials.
A. z2 + 2z - 4 B. z2 + 4z + 4 C. z2 - 2z + 4 D. z2 + 2z + 4
Mathematics
Graph the inequality on a plane.5x + y ? -2
A. 
B. 
C. 
D. 
Mathematics