Write the first four elements of the sequence.
A. 0, 
, 
, 
B. 1, 
, 
, 
C. -1, 1, 
, 
D. 
, 
, 
, 
Answer: B
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Sketch the indicated graph.A missile is fired at an airplane and is always directed toward the airplane. An equation that describes the distance r between a missile and an airplane is 
where ? is the angle between their directions at all times. Sketch the graph of this equation for 
A. 
B. 
C. 
D. 
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth. Variables represent any real number.
A. 1.43 B. -1.43 C. -1.57 D. 1.57
Match the system of equations with one of the graphs.x2 - y2 = 36x - 6 = 7y
A. 
B. 
C. 
D. 
Convert the mass or weight as indicated. Round the answer to one decimal place.0.6 kilograms to ounces (kilograms ? grams ? ounces)
A. 1.3 oz B. 21.1 oz C. 27.0 oz D. 13.2 oz