The birthday to use is january 4th 1984 then verbally

Question

Question:

Write your birth date or the birth date of someone in your family as mm/dd/yy. (Example: March 13, 1981 is written 3/13/81, and November 7, 1967 is written 11/7/67).  

• Now let a = the one- or two-digit month number,
• b = the negative of the one- or two-digit day number, and
• c = the two-digit year number. (Our example:  a = 3, b = -13, and c = 81 or a = 11, b = -7, and c = 67) 
• Use the following algebraic expressions for parts 3-5 of the discussion: 
• 1) a³ - b²
• 2) (a-b) (a²+ab+b²)
• 3) (b-c)/(2b-a)

the birthday to use is January 4th 1984. Then verbally describe the steps it took to evaluate the expressions. Use terms exponent integer variable lowest terms and divisor