7. Each of 5 different data sets is summarized with its own boxplot below.

Which of these data sets has the greatest interquartile range?

A. A
B. B
C. C
D. D
E. E

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8. A surveyor is standing on ground that is level with the base of the cell phone tower shown below. From the point on the ground where the surveyor is standing, the angle of elevation to the top of the tower is 40°. The distance from the surveyor to the tower is 200 feet. Which of the following values is closest to the height, in feet, of the tower?

(Note: sin,40° ≈ 0.64, cos,40° ≈ 0.77, and tan,40° ≈ 0.84)

F. 130
G. 155
H. 170
J. 240
K. 260

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9. Given x + y = 30 and x − y = 18, what is the value of y ?

A. 06
B. 09
C. 12
D. 24
E. 48

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