Solve for the missing numbers. Markup is based on cost. Round dollar amounts to the nearest cent.
? % S $ ?
A. 
144% S $276.41
B. 
144% S $107.49
C. 
144% S $121.46
D. 
56% S $276.41
Answer: A
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Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Three coins are tossed, and the number of heads is noted.
A. 
B. 
C. 
D. 
Solve the system of equations by using the inverse of the coefficient matrix. x - y + 4z = 15x + z = 0 x + 2y + z = -2
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