Solve the problem.Use the graph to determine how many hours were needed to prepare for Test 3.

A. 1
B. 2
C. 5
D. 3

Answer: A

Mathematics

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Solve the problem.Find a curve through the point  whose length integral, 1 ? x ? 2, is 

A. y = x6
B. y = 6x6
C. y = x7
D. y = 6x7

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Mathematics

For the given data value, find the standard score and the percentile.A data value 2.3 standard deviations below the mean.

A. z = -2.3; percentile = 1.07 B. z = -2.3; percentile = 98.93 C. z = -0.23; percentile = 40.13 D. z = 2.3; percentile = 98.93

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Mathematics

Write the number in decimal notation.In his qualifying time trial, a race car driver averages a speed of one hundred  and six thousandths mph.

A. 171.06 mph B. 71.060 mph C. 171.001 mph D. 171.006 mph

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Mathematics

Perform the division.(x4 - 256) ÷ (x + 4)

A. x3 + 4x2 - 16x + 64 B. x3 - 4x2 + 16x - 64 C. x2 + 4x + 16 D. x3 + 4x2 + 16x + 64

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Mathematics