Please help (geometry)

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

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Abag of jelly beans contain 13 pink, green, 20 yellow, 10 black, 7 red, and 11 orange jelly beans. approximately what percent of the jelly beans are pink and yellow?