3. A savings account is started with an initial deposit of $500. The account earns 2.1% interest compounded annually.
(a) Write an equation to represent the amount of money in
the account as a function of time in years.

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

Factor the expression using gcf 9b+45