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 = 
Answer: D
Mathematics
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Find the indicated cardinal number.Find n(E), given that n(C × E) = 18 and C = {4, 5, 6}.
A. 3 B. 6 C. 54 D. 9
Mathematics
Provide an appropriate response.
A conduit ABCD must be made so that ?CBE is 45°. If BE = 5 cm and AK = 16 cm, find the length of the conduit to the nearest thousandth of a centimeter. 
A. 18.071 cm B. 23.071 cm C. 14.536 cm D. 19.660 cm
Mathematics
Describe all symmetries of the figure shown.
A. 2 lines of symmetry B. 4 lines of symmetry, 90° rotation symmetry C. 4 lines of symmetry D. 2 lines of symmetry, 180° rotation symmetry
Mathematics
Compute AB, if possible.A = [ -7 -2 5] and B = 
A. 
B. not possible
C. 
D. [10 7 61]
Mathematics