Given a group of students: 
or 
count the different ways of choosing the following officers or representatives for student congress. Assume that no one can hold more than one office.A treasurer and a secretary if the two must not be the same sex
A. 10
B. 3
C. 12
D. 6
Answer: C
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An equation that defines y as a function of x is given. Solve for y in terms of x, and replace y with the function notation f(x).5x - 6y = 5
A. f(x) = 5 - 5x
B. f(x) = 
C. f(x) = 5 - 
D. f(x) = -5x - 
The calculator graphs shows the x-values of the x-intercepts of the graph of the polynomial in the equation. Use the graphs to solve the equation.-x2 + 4x + 5 = 0
A. {-1, 5} B. {-5, 1} C. {4, 5} D. {-5, -1}
Find the length of the missing side for the given pair of similar figures. 
A. 20 in. B. 12 in. C. 25 in. D. 19 in.
Referring to triangle ABC, find the area of the triangle. ? a = 23 inches, b = 34 inches, c = 43 inches ? Round to three significant digits. ? S = __________ inches2
Fill in the blank(s) with the appropriate word(s).