TASK DEFINITION: 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'.
PROBLEM: Problem: if x is real , find the maximum value of the expression - 2 x ^ 2 + 5 x + 7 . 
Options: a ) 6.125 , b ) 8.125 , c ) 10.125 , d ) 12.125 , e ) 14.125

SOLUTION: c

PROBLEM: Problem: a student chose a number , multiplied it by 8 , then subtracted 138 from the result and got 102 . what was the number he chose ? 
Options: a ) 30 , b ) 120 , c ) 130 , d ) 140 , e ) 150

SOLUTION: a

PROBLEM: Problem: if the sum of two numbers is 20 and the sum of their squares is 200 , then the product of the numbers is 
Options: a ) 40 , b ) 44 , c ) 100 , d ) 88 , e ) 48

SOLUTION:
c