Solve the problem.A plane flying a straight course observes a mountain at a bearing of 30.9° to the right of its course. At that time the plane is 
from the mountain. A short time later, the bearing to the mountain becomes 40.9°. How far is the plane from the mountain when the second bearing is taken (to the nearest tenth of a km)?
A. 10.2 km
B. 11.5 km
C. 4.2 km
D. 6.3 km
Answer: D
Mathematics
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Find the domain of the rational function. Write your answer in set-builder notation.g(x) = 
A. {x|x ? 0} B. {x|x is a real number} C. {x|x ? 4} D. {x|x ? -4}
Mathematics
Provide an appropriate response.A whole number less than 3.8.
What will be an ideal response?
Mathematics
A shooter has 7 bullets. What is his expectation of hits if the probability of hit of each shoot is 0.4?
a. 2.8 b. 5.6 c. 17.5 d. 2
Mathematics
Find the mode.20, 38, 46, 38, 49, 38, 49
A. The mode is 49. B. The mode is 39.7. C. The mode is 38. D. The mode is 46.
Mathematics