Solve the problem.
In a school survey, students showed these preferences for instructional materials.About how many students would you expect to prefer computers in a school of 800 students?
A. About 160 students
B. About 144 students
C. About 288 students
D. About 36 students
Answer: C
Mathematics
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Reduce the fraction.- 
A. - 
B. 
C. - 
D. 
Mathematics
Identify the graph of the equation as a parabola, hyperbola, ellipse, or circle.y2 = 50 - x2
A. hyperbola B. parabola C. ellipse D. circle
Mathematics
Convert the measurement as indicated. If necessary, write answers as mixed numbers.75°C
A. 192.6°F B. 141.4°F C. 73.3°F D. 167°F
Mathematics
Find an equation for the line with the given properties.Perpendicular to the line y = -9; containing the point (1, 4)
A. y = 4 B. y = 1 C. x = 4 D. x = 1
Mathematics