Translate "8 less than the quotient of 5 and x" into an algebraic expression.

What statement is true? 2x^2-9x+2=-1

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

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?