Write the expression as a pure imaginary number.
A. 2
B. -2
i
C. 2
i
D. -2
Answer: C
Mathematics
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A city crew must paint the median divider along each of the 48 streets in the neighborhood shown below (starting and ending at A). The foreman wants to organize the route in the most efficient possible way.
In an optimal trip through the neighborhood the crew will travel a total of
A. 58 blocks. B. 56 blocks. C. 64 blocks. D. 48 blocks. E. none of these
Mathematics
Write an equation in x that models the conditions. Do not solve the equation.12 is what percent (x) of 75?
A. 12 = 75x B. 0.12 = 75x C. 12x = 75 D. 12 = 0.75x
Mathematics
Find the product.(x - 7y)(x - 7y)
A. x2 - 14xy + 49y2 B. x2 - 17xy + 49y2 C. x - 14xy + 49y D. x2 - 14xy - 14y2
Mathematics
Find the eccentricity of the conic section shown in the graph.
A. e = 
B. e = 
C. e = 4
D. e = 1
Mathematics