What is the down payment total for a $189,700 home at 15% down

In the proof of the triangle angle sum theorem, you must draw an auxiliary line. which construction must you use to draw this line?

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?

Aquadratic equation in standard from is written ax^2= bx+c, where a, b and c are real numbers and a is not zero?