Decide whether or not the matrix is a probability vector. 
A. No
B. Yes
Answer: A
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Write a valid conclusion based on the statements.If you pay your taxes, then you are a good citizen. People who do not pay their taxes did not receive a tax bill. If it is April, then you will receive a tax bill. It is April.
A. You are a good citizen. B. You did not receive a tax bill. C. You are not a good citizen. D. You did not pay your taxes.
Express the following in interval notation.
A. (0, 4) B. [0, 4) C. (0, 4] D. [0, 4]
The graph of two equations along with the points of intersection are given. Substitute the points of intersection into the systems of equations. Are the points of intersection solutions to the system of equations (Y/N)?
x2 + y2 = 252y + x = 5
A. Yes B. No
An expression that occurs in calculus is given. Write the expression as a single quotient in which only positive exponents and/or radicals appear.
A. (x2 + 2)3/2(2x + 1)-1/2(x2 - x + 6)
B. 
C. (x2 + 2)3/2(2x + 1)1/2(x2 - x + 6)
D. 