Use cross products to determine whether the proportion is true or false.
= 
A. True
B. False
Answer: B
Mathematics
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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: 104; standard deviation: 11
A. 4
B. 
C. 11
D. 44
Mathematics
Find the perimeter of the figure.
A. 64 m B. 38 m C. 40 m D. 32 m
Mathematics
Solve the system of equations by elimination, if a solution exists.
A. x = 1, y = 1 B. x = 1, y = 0 C. x = 0, y = 1 D. No solution
Mathematics
Simplify. Assume that all variables represent positive real numbers.
? 
A. 
B. 
C. 
D. 
Mathematics