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 550 students?
A. About 110 students
B. About 20 students
C. About 99 students
D. About 66 students
Answer: A
Mathematics
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Provide an appropriate response.Overhead expenses are:
A. costs related to a specific product B. costs that directly contribute to the operation of a business C. costs directly related to a specific department D. costs that indirectly contribute to the operation of a business
Mathematics
A matrix has an inverse if and only if its determinant does not equal 0. Determine whether the given matrix has an inverse.
A. No B. Yes
Mathematics
Rationalize numerator.
A. 
B. 
C. 
D. 
Mathematics
For the given equation, determine the values of a, b, and c, the direction in which the parabola opens, and the y-intercept.y = -7x2
A. 
B. 
C. 
D. 
Mathematics