A set of data items is normally distributed with a mean of 60. Determine the z-score for the data point given, if the standard deviation is as given.data item: 60; standard deviation: 9
A. 1
B. 9
C. 
D. 0
Answer: D
Mathematics
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Convert as indicated.6.8 g to kilograms
A. 6800 kilograms B. 680 kilograms C. 0.0068 kilograms D. 0.00068 kilograms
Mathematics
For each graph of a quadratic function 
a) Tell whether a is positive or negative,b) Determine the vertex,c) Determine the axis of symmetry, andd) Determine the range.
A. Positive; (2, 2); x= 2; [2, ?) B. Negative; (-2, -2); x= -2; (-?, -2] C. Negative; (-2, -2); x= -2; [-2, ?) D. Positive; (-2, -2); x= -2; [-2, ?)
Mathematics
Simplify the expression, leaving your answer with only positive exponents. Assume that all variables represent positive numbers.(x5)6/5
A. x7 B. x5 C. x8 D. x6
Mathematics
Provide an appropriate response.Explain the steps involved in solving an equation of the form 
What will be an ideal response?
Mathematics