can you help me with my algebra is called the coordinate plane read each question and circle the correct answer

Explain how you divide powers with like bases.discuss why the bases have to be the same.how are these rules similar to the rules for multiplying powers with like bases.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

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?