Solve the problem using the idea of labeling.In how many ways can 10 officers be assigned with 5 assigned to parking, 2 assigned to security, and 3 assigned to emergencies?
A. 120,960
B. 2520
C. 362,880
D. 15,120
Answer: B
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At times it is hard to tell whether a succor is an insider or an outsider.
Answer the following statement true (T) or false (F)
Solve the inequality. Graph the solution set, and state the solution set in interval notation.|x - 1| ? 0
A. (-?, -1) ? (-1, ?)
B. 1
C. (-?, 1) ? (1, ?)
D. (-?, ?)
Solve the problem.A rocket is shot straight up in the air from the ground at a rate of 55 feet per second. The rocket is tracked by a range finder that is 494 feet from the launch pad. Let d represent the distance from the rocket to the range finder and t represent the time, in seconds, since "blastoff". Express d as a function of t.
A. d(t) = 
B. d(t) = 494 + 55t2
C. d(t) = 4942 + (55t)2
D. d(t) = 
Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 
C. 
D. 