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: 45; standard deviation: 4
A. -4
B. 3.75
C. 4
D. -3.75
Answer: D
Mathematics
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< ? ? 
< ?.
A. 6 B. -0.2 C. 0.2 D. 0.4
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Choose the graph that represents the given function without using a graphing utility.f(x) = 
A. 
B. 
C. 
D. 
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Graph the function.y = 3x - 4 - 2
A. 
B. 
C. 
D. 
Mathematics
Solve. Write the answer as a mixed number in simplest form.A wall in Alex and Carla Dinu's garden is to be built using brick that is 3
inches wide and a mortar joint that is 
inch wide. Use the diagram to find the height of the wall.
A. 22
in.
B. 22
in.
C. 23
in.
D. 23
in.
Mathematics