Does x/x+7 simplify to 1/7?

Which is the completely factored from of xy^3-x^3y

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin