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How many ways can a president and vice president be selected from a class of 12?
a. 23
b. 72
c. 132
d.1,320
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Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit
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How many ways can a president and vice president be selected from a class of 12?
a. 23<...
a. 23<...
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