Solve.In a class of 14 students, 5 students got an A, 4 students got a B, 3 students got a C, and 2 students got a D on a test. How many ways can the grades be assigned?
A. 2,522,520
B. 1,681,680
C. 84,084
D. 420,420
Answer: A
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In the diagram below, the sum of the numbers in any 2 small circles is the number in the large circle between them. Complete the diagram so that the same pattern holds.
A. 
B. 
C. 
Solve the problem.For a surface parametrized in the parameters u and v and a force F, show that 
d? = 
dudv.
What will be an ideal response?
Suppose your college transcripts show the distribution of grades: A:4B:7C:5D:2F:3? Suppose that all of these grades are in three-unit classes.Which grade is the most common? ?
A. C B. B C. A D. F E. D
Sociologists often study the dominance of one group over another. Suppose in a certain society there are four classes which we will call: abigweel, aweel, upancomer, and pon. Hint: These are pronounced "A big wheel," "A wheel," "Up and comer," and "peon." ? Abigweel dominate aweel, upancomer, and pon. Aweel dominate upancomer and pon. Upancomer dominate pon. ? Matrix [ D ] represent these dominance relationships. We say that an individual has two-stage dominance over another if 1 appears in the matrix [ D ] 2 for those individuals. Write the two-stage dominance matrix. ?
A. 
B. 
C. 
D. 