Which of the following best describes a compound event

Chanelle deposits $7,500 into the bank. she does not withdraw or deposit money for 6 years. she earns 6% interest during that time. what will the balance be when she is finally able to withdraw her money?

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost