Evaluate the iterated integral.
A. 
ln 4 + 42
B. 45 + 
ln 5 - 
ln 2
C. 
ln 4 + 
D. 45 + 
ln 5
Answer: A
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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
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Evaluate the given binomial coefficient.
A. 1
B. 9
C. 9!
D. 
Solve.The president of a certain university receives a salary three times the salary of one of the department heads. The total of the two salaries is $180,000. Determine the salaries.
A. president's salary = $13,500; department head's salary = $4500 B. president's salary = $90,000; department head's salary = $45,000 C. president's salary = $135,000; department head's salary = $45,000 D. president's salary = $45,000; department head's salary = $135,000