Which pair of angles must be supplementary? 0 <1 and 25
0 25 and 23
0 24 and 25
04 and 1

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?