How do I solve -17x+5=17+5

Which of the following properties can be used to show

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

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