Solve the problem.Between 7:00 AM and 8:00 AM, trains arrive at a subway station at a rate of 5 trains per hour 
per minute). The following formula from statistics can be used to determine the probability that a train will arrive within t minutes of 7:00 AM. F(t) = 1 - e-0.08tDetermine how many minutes are needed for the probability to reach 90%.
A. 13.58 min
B. 8.90 min
C. 28.78 min
D. 1.14 min
Answer: C
Mathematics
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Find the length of each side of the triangle ABC and determine whether the triangle is an isosceles triangle, a right triangle, both, or neither. Select the correct answer.
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Mathematics
Graph.f(x) = (x - 1)1/3
A. 
B. 
C. 
D. 
Mathematics
Solve the equation and simplify.n ? 
= 
A. n = 
B. n = 
C. n = 
D. n = 
Mathematics
Simplify by factoring.
A. 5 
B. 15
C. 2 
D. 6
Mathematics