How do i find the dimentions of a rectangle if the area is 30 and the perimeter is 34

Find the value of the cosine for angle a

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 !

Solve the system of equations y= 3/2 - 1, -x+ y =-3