Find the indicated probability.The following contingency table provides a joint frequency distribution for a group of retired people by career and age at retirement. Age at Retirement 
Suppose one of these people is selected at random. Compute the probability that the person either 
A. 0.253
B. 0.064
C. 0.423
D. 0.487
Answer: C
Mathematics
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Provide an appropriate response.Determine whether the graph of y2 = 
is symmetric about the x-axis, the y-axis, the origin, or the line y = x.
What will be an ideal response?
Mathematics
Evaluate the expression x + y for the given values of the variables.x = 6, y = -7
A. 1 B. -1 C. -13 D. 13
Mathematics
Let A = 
and B = 
(a) Compute .png)
(b) Compute .png)
(c) Compute .png)
(d) Compute .png)
(e) Compute .png)
Mathematics
Simplify the expression.-3(2x2 - 9) - 4x2 + 5
A. 2x2 + 32 B. -10x2 - 22 C. 10x2 + 32 D. -10x2 + 32
Mathematics