Solve the problem.If a rock falls from a height of 70 meters on Earth, the height H (in meters) after x seconds is approximately 
What is the height of the rock when x = 1.6 seconds? Round to the nearest hundredth, if necessary.
A. 57.71 m
B. 57.46 m
C. 82.54 m
D. 62.16 m
Answer: B
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Solve the problem.To find the height of this tree, Luis marked the tree at eye level, 1.8 meters above the ground. He measured 
from the base of the tree and then held a 
ruler vertically in front of his eye until the ruler just obscured the tree above the mark. Using a string tied through a hole in one end of the ruler, Luis found that the distance from his eye to the ruler was 5.1 centimeters. What was the height of the tree? Round to the nearest meter.
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A. 30 m
B. 40 m
C. 34 m
D. 36 m
Solve the problem. Use ? = 3.14 when necessary.A cylindrical container of paint is 3 cm across the top and about 10 cm high. How many cubic centimeters of paint can it hold?
A. 188.4 cm3 B. 282.6 cm3 C. 70.7 cm3 D. 141.3 cm3
Solve the problem.Find an equation of the line containing the centers of the two circles x2 + y2 + 8x - 2y + 16 = 0
and x2 + y2 + 2x + 6y + 6 = 0
A. -4x + 3y + 13 = 0 B. -2x + 5y + 13 = 0 C. 4x - 3y + 13 = 0 D. 4x + 3y + 13 = 0
Solve the equation analytically.
= 
A. 
B. 
C. 
D. 