Needs to be positive exponent

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.

Given abc find the values of x and y. in your final answer, include all of your calculations.