Work out the number of sides of a regular polygon, if the interior angle is 177

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

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

What number line represents the solution set for the inequality -1/2 greater than or equal to 4