Solve the problem.A plane flies 450 miles with the wind and 350 miles against the wind in the same length of time. If the speed of the wind is 24 mph, what is the speed of the plane in still air?
A. 182 mph
B. 217 mph
C. 197 mph
D. 192 mph
Answer: D
Mathematics
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Find the exact value of the trigonometric function. Do not use a calculator or tables.tan 
A. 1
B. 
C. 
D. 
Mathematics
Find the area of the specified region.Inside the circle r = -4 sin ? and outside the circle r = 2
A. 2?
B. 
?
C. 
(4? - 3
)
D. 
(2? + 3
)
Mathematics
Solve the problem.Which is the better buy: one yard of ribbon for $0.61 or three feet of ribbon at $0.22 per foot.
A. Three feet B. One yard C. Equal value D. Not enough information
Mathematics
Simplify.
+ 
A. 
B. 
C. 
D. 
Mathematics