Simplify. Assume that all variables represent positive numbers.
A. 7x10y19z
B. 24.5x10y19z
C. 2401x40y76z4
D. 3920xyz
Answer: A
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Solve the problem.Suppose that candidates A and B have moderate political positions, while candidate C is quite conservative. Voter opinions about the candidates are as follows:27% want A as their first choice, but would also approve of B.28% want B as their first choice, but would also approve of A.2% want B as their first choice, and approve of neither A nor C.43% want C as their first choice, and approve of neither A nor B.Which candidate wins by an approval vote?
A. B B. There is a tie. C. C D. A
Determine whether the set is well defined or not well defined. The set of children in fifth grade at Maple Elementary School that are girls
A. well defined B. not well defined
A bird has a wing span of 68 inches. Express this measure in feet and inches.
A. 5 feet 8 inches B. 8 feet 5 inches C. 5 feet 6 inches D. 4 feet 20 inches
Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 