Find the indicated vector.Let u = 
, v = 
. Find u - v.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Write a fraction to represent the shaded portion of the figure.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A power boat in still water maintains a speed of 30 miles per hour. The boat heads directly across a river perpendicular to the current which has a speed of 8 miles per hour. Find the actual speed and direction of the boat.
A. 16 miles per hour; 30° off course B. 15 miles per hour; 32° off course C. 31 miles per hour; 15° off course D. 30 miles per hour; 15° off course
Mathematics
Solve the problem.
Find the exact value of tan 2?.
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.The amount of earnings that will not be subject to federal income tax is called an exemption.
A. True B. False
Mathematics