Multiply. Simplify, if necessary.
? 
? 
A. 
B. 
C. 
D. 
Answer: C
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Write the first four elements of the sequence. 
n
A. 2, 
, 
, 
B. 0, 2, 
, 
C. 0, 1, 
, 
D. 1, 
, 
, 
Solve the problem.A weight attached to a spring is pulled down 3 inches below the equilibrium position. Assuming that the frequency of the system is 
cycles per second, determine a trigonometric model that gives the position of the weight at time t seconds.
A. y = 3? cos 8t
B. y = -3 cos 16t
C. y = -3 cos 
t
D. y = 3 cos 16t
Convert as indicated.1.65 m to centimeters
A. 165 cm B. 0.165 cm C. 0.0165 cm D. 16.5 cm
Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.x2 - 5x - 6 = 0
A. One real solution B. Two different real-number solutions C. Two different imaginary-number solutions