Solve the problem.The time of a telephone call (in minutes) to a certain town is a continuous random variable with a probability density function defined by 
for 
Find the probability: 
A. 0.3066
B. 0.0759
C. 0.2402
D. 0.0370
Answer: D
Mathematics
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Find the component form of the specified vector.The vector 
, where P = (-5, -3) and Q = (4, 4)
A. 
B. 
C. 
D. 
Mathematics
Solve the inequality and write the solution set in interval notation.1 - ex ? 0
A. (-?, 0) B. (-?, 0] C. (0, ?) D. [0, ?)
Mathematics
Factor completely. If unfactorable, indicate that the polynomial is prime.(x + 2)2 - 9
A. (x + 11)(x - 7) B. (x + 1)(x - 5) C. x2 + 4x - 5 D. (x + 5)(x - 1)
Mathematics
Use finger multiplication to do the calculations.
?
?
A. 425 B. 549 C. 1,098 D. 9 E. 61
Mathematics