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 600 students?
A. About 12 students
B. About 72 students
C. About 108 students
D. About 120 students
Answer: B
Mathematics
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Evaluate the square root.
A. 28,561 B. 14 C. 12 D. 13
Mathematics
Find the domain and range for the indicated function.f(x) = 
,
g(x) = 
;
g - f
A. D: x ? 3
R: y ? -
B. D: x ? 3
R: y ? 0
C. D: x ? 3
R: y ? 
D. D: x ? -3
R: y ? -
Mathematics
Determine whether the equation is linear. If it is linear, give values for a and b so that the equation can be written in the form ax + b = 0.8x2 - 12 = 9
A. Yes; a = 8, b = -21 B. Yes; a = 21, b = 8 C. Yes; a = 8, b = -3 D. No
Mathematics
Find an equation for the parabola described.Focus at (8, 0)
A. y2 = 8x B. x2 = 32y C. y2 = 32x D. y2 = -32x
Mathematics