Interest i=prt interest=(money)(percent)(time) $2,400 at 10% annual interest for 1 year and 8 months. ! i’m stuck

7x+8y=-18, 4x-9y=-3 solve the system of equations

Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.

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 !