Solve for the variable.1.3x + 2.4 = 0.5x - 1.68
A. x = -0.196
B. x = -5.1
C. x = -5.61
D. x = -5.2
Answer: B
Mathematics
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A. 
B. 7
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Determine whether the three points are the vertices of a right triangle.(-6, 7), (5, -4), (7, -2)
A. Yes B. No
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Solve the problem.An elevator has 4 passengers and 8 floors. Find the probability that no 2 passengers get off on the same floor considering that it is equally likely that a person will get off at any floor.
A. .610 B. .410 C. .910 D. .500
Mathematics
Find the whole.23 workers is 4% of what number of workers?
A. 57.5 B. 575 C. 5750 D. 92
Mathematics