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 450 students?
A. About 12 students
B. About 90 students
C. About 54 students
D. About 81 students
Answer: C
Mathematics
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Simplify. Leave your answer in exponent form.
2
A. 
B. 
C. 
D. 
Mathematics
Divide.
A. 3.75 B. 2.75 C. 0.364 D. 2
Mathematics
Find the standard form of the equation of the parabola with the focus 
and vertex at the origin.
a. 
b. 
c. 
d. 
Mathematics
Answer the question.A positive number multiplied by two negative numbers and then divided by a positive number is .
Fill in the blank(s) with the appropriate word(s).
Mathematics