If 
, calculate the value of 
.
?
A. 0.64
B. 1.00
C. 1.76
D. 4.07
Answer: A
Mathematics
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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.Carol scored 85 points on the exam. In approximately what percentile of the class does this score place her?
A. 84th percentile B. 95th percentile C. 34th percentile D. 68th percentile E. none of these
Mathematics
Write the mixed number as an improper fraction.22
A. 38
B. 352
C. 
D. 
Mathematics
Find the quotient.- 
÷ (- 
)
A. 
B. 
C. - 
D. - 
Mathematics
Multiply. Assume that all variables represent non-negative real numbers.
? 
A. 
B. 
C. 4
D. 2
Mathematics