Find the indicated probability.The following table displays a distribution for a group of retired people by career and age at retirement. 
Suppose one of these people is selected at random. Compute the probability that the person selected was a store clerk. Round your answer to the nearest thousandth.
A. 0.099
B. 0.327
C. 0.025
D. 0.250
Answer: D
Mathematics
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Find the coordinates of the vertex of the quadratic function.f(x) = (x + 1)2 + 1
A. (-1, 1) B. (0, 1) C. (1, 0) D. (-1, -1)
Mathematics
Find the standard equation of the hyperbola.Foci at (±3, 0), transverse axis with length 4
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Evaluate the polynomial for the given value.x2 - 
x + 3 when x = 
A. - 
B. 
C. 
D. 
Mathematics
Use Cramer's rule to determine if the system is inconsistent system or contains dependent equations.
A. system is inconsistent B. system contains dependent equations
Mathematics