Write -2.625 as a mixed number

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

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 !

X+ y = 5 ; x - y =3 solve using linear combination