Graph the function.y = -cot (?x)
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Let angle POQ be designated ?. Angles PQR and VRQ are right angles. If ? = 45°, find the exact length of VR. 
A. 
B. 1
C. 
D. 0
Mathematics
Determine whether the triangles are congruent. If they are congruent, state why.
A. congruent; ASA B. congruent; AAS C. not congruent D. congruent; SAS
Mathematics
Name all the elements of B that belong to the given set.B = {4, 
, -21, 0, 
, - 
, 1.1, 
}Natural numbers
A. 4, 0
B. -21, 0, 4
C. 4, 
D. 4, 0, 
Mathematics
Multiply.-3(-4)(-9)
A. -118 B. 108 C. -8 D. -108
Mathematics