Richard ran the route A-B-C-D-E-F-G-H-A. Which of the following paths taken by Richard appear to be parallel? A. AB and BC B. AB and DE C. AB and GH D. AB and FG

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?