Find the domain of the rational expression.
A. {x|x is a real number and x ? 7}
B. {x|x is a real number}
C. {x|x is a real number and x ? 3}
D. {x|x is a real number and x ? 3 and x ? 7}
Answer: B
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Divide. Be sure your answer is simplified.
÷ 
A. 
B. 
C. 
D. 
Use the table to determine the probability. Round your answer to three decimal places if necessary.The table gives the number of degrees earned in a certain university in the 2007-2008 academic year.
If a student receiving a degree is randomly selected, what is the probability the degree recipient selected is a male or received a professional degree?
A. 0.445 B. 0.432 C. 0.017 D. 0.04
Evaluate the expression for the given replacement values.5y - z
for y = 1.2 and z = 2.7
A. 3.3 B. 12.3 C. 7.2 D. 8.7
Determine whether the vectors u and v are parallel, orthogonal, or neither.u = 
, v = 
A. Orthogonal B. Neither C. Parallel