Help me check my answers for my homework please

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

Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000

Which term below correctly completes the following sentence? if a function has a vertical asymptote at a certain x value, then the function is what at that value