instruction:
In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
question:
Problem: a straight line in the xy - plane has y - intercept of 49 . on this line the x - coordinate of the point is 71 and y - coordinate is 12 then what is the slope of the line ?
Options: a ) 0.5 , b ) 0.51 , c ) - 0.52 , d ) 0.31 , e ) - 0.49
answer:
c

question:
Problem: if 5400 mn = k ^ 4 , where m , n , and k are positive integers , what is the least possible value of m + 2 n ?
Options: a ) 11 , b ) 18 , c ) 20 , d ) 25 , e ) 40
answer:
e

question:
Problem: if jake loses 12 pounds , he will weigh twice as much as his sister . together they now weigh 156 pounds . what is jake ' s present weight , in pounds ?
Options: a ) 108 , b ) 135 , c ) 139 , d ) 147 , e ) 188
answer:
a