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

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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