Could someone help me with this plz. That would be great. You get points

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39