Solve for x in the equation 3x2-18+5=47

Me write an equation for the interior angles of this triangle that uses the triangle sum theorem

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

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