Find the distance between P and Q and the coordinates of the midpoint of the segment joining P and Q.P(1, 2), Q(4, 5)
A. 6; 
B. 3
; 
C. 6; 
D. 3
; 
Answer: B
Mathematics
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Solve the equation.x(x - 7)(x + 4) = 0
A. 0, 7, -4 B. -7, 4 C. 0, -7, 4 D. 7, -4
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Solve the equation by the square root property. If possible, simplify radicals or rationalize denominators. Express imaginary solutions in the form 
13x2 - 5 = 0
A. 
B. 
C. 
D. 
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Evaluate the determinant.
A. 4a - 5b B. -4a + 5b C. ba - 20 D. 20 - ab
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