What is the letter answer?

Aline passes through 3,7 and 6,9 what equation represents the line

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14