Find the indicated vector.Let u = 
, v = 
. Find u - v.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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6 ?c? AExpress angle A in terms of c. Use one of the inverse trig functions tan-1, sin-1, or cos-1.
A. A = sin-1 
B. A = sin-1 
C. A = cos-1 
D. A = cos-1 
Mathematics
Solve the problem.A tree casts a shadow that is 60 ft long when a 5 ft tall woman casts a shadow of 9 ft. How tall is the tree?
A. 108 ft
B. 45 ft
C. 60 ft
D. 33
ft
Mathematics
Solve the problem.To find the distance AB across a river, a distance BC of 995 m is laid off on one side of the river. It is found that B = 105.3° and 
Find AB. Round to the nearest meter.
A. 315 m B. 381 m C. 378 m D. 312 m
Mathematics
Evaluate the expression.
?
What will be an ideal response?
Mathematics