Simplify.
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.Jill is 14 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 2 kilometers per hour. They meet in 4 hours. How fast is Joe walking?
A. 1.5 kilometers per hour B. 2 kilometers per hour C. 3.5 kilometers per hour D. 2.5 kilometers per hour
A computer password is made up of five characters. Each character can be a capital letter (A through Z) or a digit (0 through 9).How many passwords have three letters and two digits?
A. 263 × 102 B. 10 × 263 × 102 C. 26 × 25 × 24 × 10 × 9 D. 3 × 263 × 102 E. none of these
Solve the problem.How many different 11-letter words can be formed from the letters of the word MISSISSIPPI? Leave your answer in factorial form.
A. 
B. 
C. 
D. 
Find the difference and simplify the answer. 
- 
A. 5
B. 
C. 
D. 1441