What is the absolute value of |-100|-98

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

Astudent simplified a rational expression as shown.

Draw a tape diagram to represent each situation. for some of the situations, you need to decide what to represent with a variable andre bakes 9 pans of brownies. he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students