Solve the problem.An exam consists of 9 multiple-choice questions and 6 essay questions. If the student must answer 5 of the multiple-choice questions and 3 of the essay questions, in how many ways can the questions be chosen?
A. 810
B. 261,273,600
C. 1,814,400
D. 2520
Answer: D
Mathematics
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Write the improper fraction as a mixed number or a whole number.
A. 13
B. 
C. 14
D. 15
Mathematics
Solve the problem.A tunnel is to be dug from point A to point B. Both A and B are visible from point C. If AC is 235 miles and BC is 625 miles, and if angle C is 90°, find the measure of angle B. Round your answer to the tenths place.
A. 34.1° B. 18.7° C. 31.4° D. 20.6°
Mathematics
Represent the shaded area in the figure group with a mixed number.
A. 1
B. 6
C. 6
D. 1
Mathematics
Sketch the vectors u and w with angle ? between them and sketch the resultant.
= 5, 
= 1, ? = 60°
A. 
B. 
Mathematics