Answer:
he will increase his account balance by $20 a year
Step-by-step explanation:
7 is a base, 4 is an exponent.
2:3
it was originally 8:12, but it has to be simplified. 2/3 can also work as an answer.
Answer:
10
Step-by-step explanation:
7-(-3)
=7+3
=10
Hope this is helpful