Solve the problem.An exam consists of 9 multiple-choice questions and 6 essay questions. If the student must answer 7 of the multiple-choice questions and 4 of the essay questions, in how many ways can the questions be chosen?
A. 65,318,400
B. 1512
C. 540
D. 261,273,600
Answer: C
Mathematics
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Decide whether the statement is true or false.If a triangle is obtuse, then it must be scalene.
A. True B. False
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Solve the equation.-75 = 5q
A. -15 B. 80 C. 1 D. -80
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Complete the table.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.From 9 names on a ballot, a committee of 4 will be elected to attend a political national convention. How many different committees are possible?
A. 126 B. 15,120 C. 1512 D. 3024
Mathematics