For the measured quantity, state the set of numbers that is most appropriate to describe it. Choose from the natural numbers, integers, and rational numbers.Number of students in various high schools
A. Rational numbers
B. Natural numbers
C. Integers
Answer: B
Mathematics
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Solve the problem.The number of students in a school in year n is estimated by the model
. About how many students are in the school in each of the first three years?
A. 109, 132, 170 B. 104, 132, 155 C. 104, 132, 170 D. 117, 145, 183
Mathematics
Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Mathematics
Find the exact value, given that sin A = -4/5 with A in quadrant IV, 
with B in quadrant III, and 
with C in quadrant II.sin 2B
A. - 
B. 
C. 
D. - 
Mathematics
Simplify. Include the absolute value symbol if necessary. If the answer is not a real number, state so.-
A. -4 B. -5 C. not a real number D. -25
Mathematics