What value is a discontinuity of x^2 + 3x - 4 / x^2 + x - 12?

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Find the greatest common factor of 28 and 35

Asap i need it now choose all the answers that apply. sex-linked disorders affect males more than females affect females more than males can be carried by females, without being expressed are always expressed in males are caused by genes carried on the x and y chromosomes

Find the missing factor. write your answer inexponential form.9^2=9^4×