Evaluate each expression if a = 6, b=3, and c= 2. 1. C+4
18
5
2. a-b
3.
2.
a
3
4. b=3
6
5. a-1
8
6. 20
3
7. ab
8. 6+ c
4

Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 3 years, how much interest will ana have earned on her savings account?