Find the value of the combination.C(6, 4)
A. 30
B. 15
C. 180
D. 4
Answer: B
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Solve the problem.A ball is dropped from a height of 21 m and always rebounds 
of the height of the previous drop. How far does it travel (up and down) before coming to rest?
A. 105 m B. 42 m C. 126 m D. 63 m
Subtract.-6.5 - (-3.8)
A. -2.7 B. 2.7 C. -10.3 D. 10.3
Solve the problem.Amarillo Motors manufactures an economy car called the Citrus, which is notorious for its inability to hold a respectable resale value. The average resale value of a set of 1998 Amarillo Citrus's is summarized in the table below along with the age of the car at the time of resale and the number of cars included in the average. Fit a line of the form ln(V) = m?a + b to the data, where V is the resale value in thousands of dollars and a is the age of the car in years.. 
A. ln(V) = 0.299a - 2.951 B. ln(V) = 0.315a C. ln(V) = 0.314a - 2.986 D. ln(V) = -0.303a + 2.953
Use a graphing calculator to solve the system.2x - y = 95x + y = 33
A. {(6, 3)} B. {(6, 4)} C. {(3, 6)} D. ?