Graph the function.A satellite is orbiting the earth such that its displacement D north of the equator (or south if D < 0) is given by 
. Sketch two cycles of D as a function of t. Use 
Label the point on the horizontal which represents the end of the second cycle.
A. 
B. 
C. 
D. 
Answer: A
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Evaluate.-23
A. 2 B. -4 C. -8 D. 8
Solve the equation.(y - 6) - (y + 2) = 7y
A. - 
B. - 
C. - 2
D. - 
Solve the problem.Find the operating ratio for Washington Retailers if the annual cost of goods sold is $268,411, the operating expenses are $41,301, and the net sales are $422,635. Round to three decimal places.
A. 1.365 to 1 B. 0.635 to 1 C. 0.733 to 1 D. 0.579 to 1
Solve the problem.In 1838, the German mathematician and astronomer Friedrich Wilhelm Bessel was the first person to calculate the distance to a star other than the Sun. He accomplished this by first determining the parallax of the star, 61 Cygni, at 0.314 arc seconds (Parallax is the change in position of the star measured against background stars as Earth orbits the Sun. See illustration.) If the distance from Earth to the Sun is about 150,000,000 km and ? = 0.314 seconds = 
minutes = 
degreesdetermine the distance d from Earth to 61 Cygni using Bessel's
figures. 
What will be an ideal response?