What fraction is equal to 60%

Which is the most efficient first step to solve x in the equation 3.7x - 18 = -4.3x -34 a. add 3.7x to both sides of the equation. b. add 4.3x to both sides of the equation. c. subtract 18 from both sides of the equation. d. subtract 34 from both sides of the equation.

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

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?