What is the difference between the 7th square number and the 2nd square number

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

Can someone me with my hwplz(only the circled ones)

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?