Use an Euler diagram to determine whether the argument is valid or invalid.All cats like fish.Henry does not like fish Therefore, Henry is not a cat.
A. valid
B. invalid
Answer: A
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Solve the problem.Find equations for the horizontal and vertical tangent lines to the curve 
A. Horizontal: y = 0 at (0, 0), y = at 
; vertical: x = 
at 
, x = - 
at 
B. Horizontal: y = 
at 
, 
at 
; vertical: 
C. Horizontal: y = 7 at (7, 0), y = 0 at 
; vertical: x = 
at 
, x = - 
at 
D. Horizontal: y = 
at 
, y = - 
at 
; vertical: x = 0 at (0, 0), x = 7 at 
Convert using dimensional analysis.A 13.5 feet by 11.5 feet room is to be carpeted. Calculate the area in square yards. Round to the nearest tenth.
A. 17.3 yd.2 B. 155.3 yd.2 C. 51.8 yd.2 D. 465.9 yd.2
Factor the polynomial.10z2 + 11z - 6
A. (2z - 3)(5z + 2) B. (10z + 3)(z - 2) C. (2z + 3)(5z - 2) D. prime
Find the equilibrium vector for the transition matrix.
Round the numbers in your answer to the nearest thousandth.
A. 
B. 
C. 
D. 