Determine whether the lines through each pair of points are parallel, perpendicular, or neither.(-2, 9) and (8, 1); (-3, 1) and (-7, -4)
A. parallel
B. neither
C. perpendicular
Answer: C
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Solve the problem.If the series 
is integrated twice term by term, for what value(s) of x does the new series converge?
A. 4 ? x < 6 B. 4 < x < 6 C. 4 ? x ? 6 D. 4 < x ? 6
Use the Huntington-Hill apportionment principle to decide who is most deserving of an additional representative. Subdivision A, with 1600 residents, has 11 representatives in the City Hall, while Subdivision B, with 2700 residents, has 17 representatives, and Subdivision C, with 950 residents, has 7 representatives.
A. Subdivision A B. Subdivision B C. Subdivision C
The standard deviation for this set of numbers: 5ft, 5ft, 5ft, 5ft; is
A. 5ft B. 0 C. 4 D. none
Translate to an equation and solve. What percent of 50 is 40?
A. 75% B. 80% C. 125% D. 120%