Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = 
, w = 
A. 34.5°
B. 145.5°
C. 55.5°
D. 101.9°
Answer: A
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Determine the missing coordinate of a point that lies on the graph of the unit circle, given the quadrant in which it is located.
; Quadrant I
A. y = 
B. y = - 
C. y = - 
D. y = 
Solve the problem.As part of a physics experiment, Ming drops a baseball from the top of a 350-foot building. To the nearest tenth of a second, for how many seconds will the baseball fall? (Hint: Use the formula h = 16t2, which gives the distance h, in feet, that a free-falling object travels in t seconds.)
A. 4.7 sec B. 21.9 sec C. 1.2 sec D. 87.5 sec
A square wheat field is watered by a center pivot irrigation system with a radius of 20 feet. To the nearest square foot, find the area of the field that will not be irrigated.
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Solve the problem.A photographer points a camera at a window in a nearby building forming an angle of 42° with the camera platform. If the camera is 52 m from the building, how high above the platform is the window, to the nearest hundredth of a meter?
A. 57.75 m B. 0.9 m C. 1.11 m D. 46.82 m