What shows the rational expression written using the least common denominator?
X+1/4x^2 + x+1/x^2

Choices
A.) x+1/4x^2 + 4(x+1)/4x^2
B.) x+1/x^2 + x+1/x^2
C.) x+1/x^2 + 4(x+1)/x^2
D.) x+1/4x^2 + x+1/4x^2

Please answer

Which matrix multiplication is possible?

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The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).