Solve.The time it takes a satellite to complete an orbit around the earth varies directly as the radius of the orbit (from the center of the earth) and inversely as the orbital velocity. If a satellite completes an orbit 
above the surface of the earth in 
at a velocity of 
then how long would it take a satellite to complete an orbit 
/> above the surface of the earth at a velocity of 
(Use 
as the radius of the earth, and round your answer to the nearest hundredth, if necessary.)
A. 187.94 hours
B. 18.79 hours
C. 4.91 hours
D. 36.26 hours
Answer: B
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A. 0 B. 5 C. All real numbers D. No solution
Solve the problem. Round to two decimal places if needed.Find the area of the sector of a circle of radius 7 inches formed by a central angle of 2 radians.
A. 7 square inches B. 98 square inches C. 14 square inches D. 49 square inches
Graph the equation.-5x - y = 0
A. 
B. 
C. 
D. 
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A. $20.65 B. $11.87 C. $11.38 D. $19.79