Find 
and 
.
?
and 
?
A. 
B. 
C. 
D. 
E. 
Answer: E
Mathematics
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The mean height of kindergartners at an elementary school is 44 inches with a standard deviation of 2 inches. If the heights are normally distributed, use this data to solve the problem. 
16% of the shortest kindergartners measure less than how many inches?
A. 46 inches B. 42 inches C. 40 inches D. 44 inches
Mathematics
Evaluate the expression.71
A. 7
B. 1
C. -7
D. 
Mathematics
Find the least common multiple of the given number by the method of intersection of sets of multiples.84 and 378
A. 2268 B. 1512 C. 756 D. 42
Mathematics
Write the product as a sum or difference containing only sines or cosines.sin(5?) sin(9?)
A. sin2(45?2)
B. 
[cos(4?) - cos(14?)]
C. 
[cos(14?) - sin(4?)]
D. 
[- cos(4?) - cos(14?)]
Mathematics