I need help with this math question for my homework.

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

Leo is going to use a random number generator 4 0 0 400 times. each time he uses it, he will get a 1 , 2 , 3 , 4 , 1,2,3,4, or 5 5. what is the best prediction for the number of times that leo will get an odd number?

Write 17/20 as a decimal and as a percent.