Does a set of rational numbers include the set of integers

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 i need !

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

Write the function for the graph. (1.8) (0,4)