250 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 75 and standard deviation ? = 10.The average score on the exam was approximately

A. 85.
B. 10.
C. 95.
D. 75.
E. none of these


Answer: D

Mathematics

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A.  +  = 1
B.  +  = 1
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D.   +   = 1

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A. {x|x ? 0} B. {0} C. {x|x ? 0} D. all real numbers

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A. {16}
B.
C. ?
D.

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Does the pair of triangles appear to be similar? Write similar or not similar.

A. Similar B. Not similar

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