Deandre wants to save $600 to buy a TV. He saves $19 each week. The amount, A (in dollars), that he still needs after w weeks is given by the follow function. A(w)=600-19 Answer the following questions. (a) How much money does Deandre still need after 5 weeks? $0 (b) If Deandre still needs $258, how many weeks has he been saving? weeks