Solve the problem.Evaluate sin-1 
.
A. - 
B. 
C. 0
D. Undefined
Answer: A
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Solve the initial value problem.
= e-t sec2 (?e-t ), y(-ln 10) = 
A. y = 
B. y = 
C. y = cot (?e-t ) + 7
D. y = 
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
The box plots represent a comparison of the annual salaries of a group of public and private employees
The range of salaries for the group of private employees is approximately
A. $20,000. B. $52,000. C. $40,000. D. $56,000. E. none of these
Solve the problem.Find the missing length in the following right triangle. If necessary, round to the nearest tenth. 
A. 40 mi B. 20 mi C. 6.3 mi D. 10 mi