Find the exact value of the expression.sin 185° cos 65° - cos 185° sin 65°
A. 
B. - 
C. - 
D. 
Answer: D
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Solve.A meteor circles the earth in an elliptical orbit. The major axis of the elliptical orbit is 22 × 108 miles long and the minor axis is 12 × 108 miles long. If the earth is at one focus of the orbit what is the distance from the other focus?
A. 
× 104 miles
B. 2 × 
× 104 miles
C. 2 × 
× 103 miles
D. 2 × 
× 108 miles
Solve. Answer with a complete sentence.A figure skater must trace a figure eight on the ice that consists of two perfect circles, each with a radius of 
What is the distance around the figure eight?
A. The distance around the figure eight is approximately 19.98 feet. B. The distance around the figure eight is approximately 43.96 feet. C. The distance around the figure eight is approximately 21.98 feet. D. The distance around the figure eight is approximately 87.92 feet.
Add: (1 - j8) + (6 + j3)
a. 7 + j11 b. 5 - j11 c. 5 - j5 d. 7 - j5 e. 6 - j11
Solve the problem.An airplane took 5 hr to fly 600 mi against a head wind. The return trip with the same wind took 2 hr. Find the speed of the plane in still air.
A. 90 mph B. 210 mph C. 300 mph D. 120 mph