Simplify. y-3

a.) 3/y

b.) 1/y^3

c.) -3y

d.) -1/y^3

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