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: the distance from the x - axis to point p is half the distance from the y - axis to point p . if the coordinates of p are ( x , - 4 ) , how many units is p from the y - axis ? 
Options: a ) 2 , b ) 4 , c ) 8 , d ) 10 , e ) 12
c

Problem: if a is a positive integer , and if the units digit of a ^ 2 is 9 and the units digit of ( a + 1 ) ^ 2 is 4 , what is the units x digit of ( a + 2 ) ^ 2 ? 
Options: a ) 1 , b ) 3 , c ) 5 , d ) 6 , e ) c . 14
a

Problem: what is the tens digit of 36 ^ 30 ? 
Options: a ) 1 , b ) 7 , c ) 5 , d ) 3 , e ) 9

b