Simplify the factorial expression.
A. 
B. 30
C. 2!
D. 6
Answer: B
Mathematics
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Compute r, the linear coefficient of correlation, for the given data.
A. -0.078 B. -0.054 C. 0.109 D. 0.214
Mathematics
The wages of the employees of a company are presented in this histogram. Answer the question.
How many employees earn at least $4 and less than $6 an hour?
A. 10 B. 20 C. 34 D. 22
Mathematics
These three shapes represent the first three figures in a sequence of figures made from small cubes.
Mathematics
Factor.-128x2 + 96xy - 18y2
A. -2(8x + 3y)2 B. -2(8x - 3y)2 C. -2(8x + 3y)(8x - 3y) D. 2(8x + 3y)2
Mathematics