Using the distributive property what is 10(x-9)-x?

Predict which statements are true about the intervals of the continuous function. check all that apply

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?

2,10,-50 next two numbers geometric sequence