Find the principal square root of the number. Approximate the answer to the nearest hundredth whenever appropriate.6
A. -2.45
B. -2.45, 2.45
C. 2.45
D. 36
Answer: C
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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. Find the probability that the person was a secretary or that they retired between ages 56 and 60. Round your answer to the nearest thousandth.
A. 0.063 B. 0.253 C. 0.444 D. 0.507
Solve the equation.
+ 3 = 11
A. {64} B. {2} C. {28} D. {16}
For the right triangle with sides of lengths 5 in, 12 in, and 13 in, find the length of the radius of the inscribed circle.
A. 2 inches B. 2.5 inches C. 3 inches D. 3.5 inches
Write the trigonometric expression as an algebraic expression containing u and v.sin(tan-1 u + tan-1 v)
A. 
B. 
C. 
D. 