Find the standard deviation of the data summarized in the given frequency table.The heights of a group of professional basketball players are summarized in the frequency table below. Find the standard deviation. Round your answer to one decimal place. 
A. 2.9
B. 2.8
C. 3.3
D. 3.2
Answer: B
Mathematics
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Provide an appropriate response.Solve the system for x and y, expressing either value in terms of a or b, if necessary. Assume that a ? 0 and b ? 0. 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.Solve csc ? = 2 for ?, where 0° ? ? ? 90°
A. 90° B. 45° C. 60° D. 30°
Mathematics
Solve the inequality.
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A. 
? 
B. no solution
C. 
D. 
Mathematics
Find the quotient and the remainder.7x3 + 47x2 - 70x + 16 divided by x + 8
A. x2 + 9x + 7; remainder 0 B. x2 + 10x + 11; remainder 0 C. 7x2 + 9x + 2; remainder 0 D. 7x2 - 9x + 2; remainder 0
Mathematics