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.Approximately 95% of the class scored between
A. 65 and 85.
B. 55 and 95.
C. 45 and 100.
D. 0 and 95.
E. none of these
Answer: B
Mathematics
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Solve.5.4 - 4.27x - 1.8x = 20.575
A. -4.28 B. 8.33 C. -2.5 D. 3.5
Mathematics
Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. 0.33 B. 5 C. 0.17 D. 0.16
Mathematics
Fill in the blank with <, >, or = to make a true comparison statement. 0.5 
0.4
A. = B. < C. >
Mathematics
Which property is represented?6 ? (3 + 7) = 6 ? 3 + 6 ? 7
A. Distributive Property B. Multiplication Property of Zero C. Commutative Property of Multiplication D. Associative Property of Multiplication
Mathematics