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: an object thrown directly upward is at a height of h feet after t seconds , where h = - 12 ( t - 3 ) ^ 2 + 120 . at what height , in feet , is the object 2 seconds after it reaches its maximum height ? 
Options: a ) 48 , b ) 54 , c ) 60 , d ) 66 , e ) 72
e

Problem: the sum of all the digits of the integers from 18 to 21 inclusive is 24 ( 1 + 8 + 1 + 9 + 2 + 0 + 2 + 1 = 24 ) . what is the sum t of all the digits of the integers from 0 to 99 inclusive ? 
Options: a ) 450 , b ) 810 , c ) 900 , d ) 1000 , e ) 1100
c

Problem: if there are 4 peanuts in a box and mary puts 4 more peanuts inside , how many peanuts are in the box ? 
Options: a ) 8 , b ) 9 , c ) 10 , d ) 11 , e ) 12

a