I need help quick plz 30 points

How to simply and write the answer n a whole number

What is the difference between –12 and –5? what is the distance between –12 and –7 on a number line? units

Gia opened two savings accounts at two different banks. one account earns an annual 3.4% simple interest, and the other earns half as much. if she deposited $500 in each account, how much total interest will she have earned in 5 years? a. $34.00 b. $25.50 c. $51.00 d. $510.00