Simplify the expression below w^2-9/

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

Divide. write in simplest form 41/6 divided by 10

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.