Idon't know how to divide who can't show me ?

If i have one apple and give you the apple, how many apples do i have?

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 (monthly car loan payment per $1,000 borrowed) i need !

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.