Solve.In a class of 14 students, 2 students got an A, 5 students got a B, 4 students got a C, and 3 students got a D on a test. How many ways can the grades be assigned?
A. 420,420
B. 2,522,520
C. 84,084
D. 1,681,680
Answer: B
Mathematics
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Rationalize the denominator.
A. 
B. 
C. 
D. 
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Rewrite the complex number in standard polar form, plot the number in the complex plane, and determine the quadrant in which the point lies or the axis on which the point lies.z = 4
A. z = 4
; Quadrant II
B. z = 4
; Quadrant III
C. z = 4
; Quadrant III
D. z = 4
; Quadrant IV
Mathematics
Solve the problem.Find sin ?, given that cos 2? = 
and 0 < ? < 
.
A. 
B. 
C. 
D. 
Mathematics
Write the expression in algebraic form.
Mathematics