Of the 7.0 billion people who lived in the world, about 1.3 billion live in china. find at least 3 more real world numbers that are expressed as decimal millions or billions. Tell what each number describes.

Find the distance between (7,-6) and (-3,-9)

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?

Given: ab ≅ bc and ao ≅ oc ok − angle bisector of ∠boc find: m∠aok