Find the indicated probability.The table below describes the smoking habits of a group of asthma sufferers.
If one of the 1104 people is randomly selected, find the probability that the person is a man or a heavy smoker. Round your answer to three decimal places.
A. 0.547
B. 0.514
C. 0.580
D. 0.486
Answer: A
Mathematics
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Evaluate 
for the given x0 and function f.f(x) = 2
+ 10 for x0 = 9
A. Does not exist
B. 3
C. 9
D. 
Mathematics
Write the equation of the circle that satisfies the following conditions. Express the final equation in the form x2 + y2 + Dx + Ey + F = 0.Center at the origin and r = 3
A. x2 + y2 = 0 B. x2 - y2 - 9 = 0 C. x2 - y2 + 9 = 0 D. x2 + y2 + 9 = 0 E. x2 + y2 - 9 = 0
Mathematics
Solve the system by graphing. 2x + y = 106x + 3y = 30
A. {(5, 0)} B. {(0, 10)} C. {(x, y)| 2x + y = 10} D. ?
Mathematics
Choose the graph that represents the given function without using a graphing utility.f(x) = 
A. 
B. 
C. 
D. 
Mathematics