Find the standard deviation. Round to one more place than the data.
A. 1.6
B. 71.8
C. 97.5
D. 0.9
Answer: A
Mathematics
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Evaluate the expression.71
A. 7
B. 1
C. -7
D. 
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Graph the function defined by a radical expression.f(x) = 
A. 
B. 
C. 
D. 
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Perform the addition visually using symbols.-3 + (7)
A. -4 B. 4 C. -10 D. 10
Mathematics
Solve the problem.The distance D that a spring is stretched by a hanging object varies directly as the weight W of the object. If a 17-kg object stretches a spring 65 cm, find the distance when the weight is 18-kg.
A. 3.82 cm B. 100 cm C. 68.82 cm D. 4.71 cm
Mathematics