Which line is parallel to line r?

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

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 !

Acircle has a circumference of 7.850 units. what is its radius?