Type your answer (5 out of 20
What is the domain of the function f(x) = -2x?
(Enter r for all Real numbers.)

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

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?

Ineed to know how to write question one in mathematical terms