Solve.How many different ways can a president, vice-president, and secretary be chosen from a club with 11 members?
A. 6
B. 33
C. 165
D. 990
Answer: D
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Provide an appropriate response.Suppose that a state introduces a state income tax which will be at a flat rate 
The state legislature wishes to estimate how much money they will receive in taxes, and to do this they need to know the average income of residents of the state. Which information would be most useful, the mean income, the median income, or the mode of the incomes? Why?
What will be an ideal response?
Use the Instructional Algorithm for addition or subtraction to perform the operation.15 + 44
A. 59 B. 49 C. 56 D. 69
Solve the problem.The table shows the number of new cases (in thousands) of a certain disease diagnosed in a country in various years. 
Let n = f(t) be the number of new cases (in thousands) of the disease diagnosed at t years since 2010. Find a quadratic equation for f in vertex form. Use the data for the year 2013 as the vertex and use the data for the year 2017 to find the value of a.
A. f(t) = 0.71(t - 4)2 + 39.3 B. f(t) = -0.23(t - 3)2 + 49.4 C. f(t) = 0.4(t - 3)2 + 39.3 D. f(t) = 6.4(t - 3)2 + 39.3
If two circles,O and O', intersect in two points, A and B, then the line
is __________________.
What will be an ideal response?