Perform the indicated operation and simplify.
+ 
A. 
B. 
C. 1
D. 
Answer: A
Mathematics
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Provide an appropriate response.A common mistake when making conclusions or inferences from statistical measures is to examine only one statistic.
A. True B. False
Mathematics
Use the properties of logarithms to evaluate the expression without the use of a calculator.8log85
A. 8 B. 40 C. 5 D. 1
Mathematics
Solve the equation.Let f(x) = 
+ 4. Find all x for which f(x) = 16.
A. ? B. {-20, 20} C. {-12, 20} D. {-12, 12}
Mathematics
Find the foci of the ellipse whose equation is given.16(x + 2)2 + 9(y - 1)2 = 144
A. foci at (-1, 1 - 
) and (-1, 1 + 
)
B. foci at (1, -2 - 
) and (1, -2 + 
)
C. foci at (-2, 1 - 
) and (-2, 1 + 
)
D. foci at (2, 1 - 
) and (2, 1 + 
)
Mathematics