What is the answer a need it so much

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom

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?