Evaluate.
A. 5
B. 3
C. 2
D. 4
Answer: B
Mathematics
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Solve the problem.The pH of a patient's blood was measured periodically during one week, and the measured values were 7.36, 7.37, 7.45, 7.42, and 7.45. Find the standard deviation and variance for the data. Round the results to the nearest thousandth.
A. s = 0.086, v = 0.007 B. s = 0.038, v = 0.001 C. s = 0.001, v = 0.001 D. s = 0.098, v = 0.010
Mathematics
Find the value of the missing number.? + 23 = -21
A. -2 B. 44 C. 2 D. -44
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Use the quotient rule to simplify.
A. 30 B. 25 C. 5 D. 6
Mathematics