Solve the problem.Find b so that the line 
is tangent to the circle 
in the first quadrant.
A. 
B. 10
C. 
D. 5
Answer: D
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Evaluate the improper integral.
A. 
B. 
C. 
D. 
An airplane takes off from an airport at a bearing along AB, of N 13° E, and a second plane leaves the same airport at bearing N 30° W along AC .A third plane leaves the airport at S 87° W along AD .What is the measure of the angle between the first and second planes? Between the first and third planes? (Remember: The bearing of a line segment is the acute angle that the line segment makes with a north-south line.)
What will be an ideal response?
Solve the problem.The numerator of a fraction is 8 times the denominator. If 9 is subtracted from the numerator, and added to the denominator, the resulting fraction is equal to 
. Find the original fraction.
A. 
B. 
C. 
D. 
Find the difference.9.24 minus 2.50
A. 6.64 B. 8 C. 6.74 D. 7.74