Solve the problem.A plane takes off from an airport on the bearing S29°W. It continues for 20 minutes then changes to bearing 
and flies for 2 hours 20 minutes on this course then lands at a second airport. If the plane' s speed is 420 mph, how far from the first airport is the second airport? Round your answer correct to the nearest mile.
A. 1110 mi
B. 1011 mi
C. 1010 mi
D. 1111 mi
Answer: A
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Use Descartes's rule of signs to discuss the possibilities for the roots of the equation. Do not solve the equation.4x5 - 9x4 + 7x3 - 6 = 0
A. 
B. 
C. 
D. 
Solve the equation by first multiplying both sides through by an appropriate power of 10 so that the equation contains integers only.1.2x - 3 - 0.7x = 13
A. 32 B. 3.2 C. 8.421 D. 26.6
Simplify the expression.-110
A. 1 B. 0 C. 11 D. -1
Solve the problem.A political mailing will have several pages on the economy, the military, and the environment. The total number of these pages in the booklet should be less than 100. For the target group that will receive the booklet, market research suggests that there will be a positive impact proportional to 5 times the number of pages on the economy, a positive impact proportional to 2 times the number of pages on the military, and a negative impact proportional to -4 times the number of pages on the environment. The candidate, however, insists that the number of pages on the environment exceed the number on the military by at least 5 and that the number of pages on the economy also exceed the number on the military by at least 5. Find the number of pages that should be devoted to
the economy, the military, and the environment. A. 30, 30, 30 B. 44, 25, 30 C. 10, 55, 16 D. 10, 30, 59