b) The number of elements of the set A = {{{Ø}}, {{Ø}} n {Ø}, {Ø} U {Ø, {Ø}}} equals

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A: From the given problem:   -2a6a+4   So, now multiplying.   -2a6a+4=-2a×6a+-2a×4=-12a2+-8a.....-×+=-;…

Q: Factor 4x2 11x – 45 . - Use parentheses, no spaces and lowercase letters for your answers.

A: 4x^2 - 11x - 45 4x^2 - 20x + 9x -45 4x(x-5) + 9(x-5)  (4x + 9) (x-5)

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A: This is a problem of complex analysisi.

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A: Answer: y=-12x2

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A: topic - area of composite figure

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A: Explanation of the answer is as follows

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A: E(X)=0, E(X2)=2, E(X3)=0, E(X4)=5,Let Y=a+bX

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A: In a given triangle by using the trigonometric ratio:

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A: We have to find product