Solve the problem.A freight train leaves a station traveling at 32 km/h. Two hours later, a passenger train leaves the same station traveling in the same direction at 52 km/h. How long does it takes the passenger train to catch up to the freight train?
A. 3.2 hr
B. 2.2 hr
C. 4.2 hr
D. 5.2 hr
Answer: A
Mathematics
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Write the number in scientific notation.0.000529
A. 5.29 × 10-5 B. 5.29 × 104 C. 5.29 × 10-4 D. 5.29 × 10-3
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Evaluate the expression.
A. 720 B. 1 C. 6 D. 0
Mathematics
For an election with four candidates (A, B, C, and D) we have the following preference schedule:
Using the plurality method, which candidate wins the election?
A. A B. B C. C D. D E. none of these
Mathematics
Find the common ratio, r, for the geometric sequence.8, 4, 2, 1, . . .
A. 2
B. 1
C. 
D. 
Mathematics