Hi! plz help it would mean a lot ty! and plz don't troll! first person who solves it get brainlist!

On a architect's drawing of a house, 1 inche representa 1.5

One integer is 8 times another. if the product is 72, then find the 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 (monthly car loan payment per $1,000 borrowed) i need !