Solve the problem.To find the height of this tree, Juanita marked the tree at eye level, 1.8 meters above the ground. She measured 39 m from the base of the tree and then held a 5-cm ruler vertically in front of her eye until the ruler just obscured the tree above the mark. Using a string tied through a hole in one end of the ruler, Juanita found that the distance from her eye to the ruler was 5.7 centimeters. What was the height of the tree? Round to the nearest unit.
A. 34 m
B. 36 m
C. 40 m
D. 30 m
Answer: B
Mathematics
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Choose the equation that matches the graph.
A. y2 = 6x B. x2 = 6y C. y2 = -6x D. 6y2 = x
Mathematics
Solve the problem.A pendulum is released and swings until it stops. If it passes through an arc of 15 inches the first pass, and if on each successive pass it travels 
the distance of the preceding pass, how far will it travel before stopping?
A. 22.5 in. B. 60 in. C. 52.5 in. D. 37.5 in.
Mathematics
Name the quadrant in which the point is located.(-15, 2)
A. I B. II C. III D. IV
Mathematics
Find the regression line without using a calculator.
A. y = 0.9x - 2.79 B. y = 0.9x + 3.79 C. y = 0.9x - 3.79 D. y = 0.8x - 3.79
Mathematics