Tasha is planning an expansion of a square flower garden in a city park. if each side of the original garden is increased by 7min the new total of the garden will be 169m squared. find the lenght of each side.

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?