Task: Question Answering
Input (English): Problem: the two lines y = x and x = - 5 intersect on the coordinate plane . what is the value of the area of the figure formed by the intersecting lines and the x - axis ? 
Options: a ) 7.5 , b ) 10 , c ) 12.5 , d ) 15 , e ) 17.5
Output (English): c