Determine whether the argument is valid or invalid by using a truth table.q ? pp ? r----? r ? q
A. 
The argument is invalid.
B. 
The argument is valid.
C. 
The argument is invalid.
D. 
The argument is valid.
Answer: A
Mathematics
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x + y2 = 0
A. r = 
sin ?
B. r = - 
sin ?
C. r = 
cos ?
D. r = - 
cos ?
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A. 
B. 
C. 
D. 
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Factor, if possible.24x2 + 20xy - 24y2
A. 4(3x - 2y)(2x - 3y) B. 4(3x - 2y)(2x + 3y) C. 4(6x2 + 5xy - 6y2) D. 4(3x + 2y)(2x - 3y)
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Find the slope of a line tangent to the curve of the given equation at the given point.y = 
; 
A. - 
B. 
C. - 
D. 
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