Geometry 7.2 puzzle time where did columbus land when he found america

Find the value of a. the diagram is not to scale. a quadrilateral is drawn. the upper and lower sides are parallel. the interior angle in the upper left corner is labeled a degrees. the angle in the upper right corner is labeled 113 degrees. the angle in the lower right corner is labeled b degrees. the angle in the lower left corner is labeled 36 degrees. a. 36 b. 144 c. 54 d. 126

Which of the binomials below is a factor of this trinominal? x^2-13+30

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x