Need help <3 answers appreciated

What scale factor was applied to the first rectangle to get the resulting image interior answer as a decimal in the box

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

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