Given the set A = fxjx 2 Ng , x is a multiple of 4 and x 48 and the set B = fyjy 2 Ng and y is a factor of 48, list the members of A [ B. What is the cardinality of the set (A \ B)c ?

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if you was gonna solve for a, a is a   < -12

step-by-step explanation:

assume that you have 3 different side lengths.   apply the pythagorean theorem here:   square each of the two shortest sides; call them a and b, so that their squares are a² and b².   also square the longest side, calling the result c².

now, if a² + b² = c² is true, the triangle is a right triangle; otherwise it is not a right triangle.