The price of air conditioner W is 300, and the electricity costs $20 per month to operate it . The price of air conditioner Z is $240, and the electricity costs $ 25 per month to operate it. After how many months are the total costs of buying and operating the air conditioners the same?

41/2 - 1 1/3 what is the answer as a fraction?

High schoolmathematics 5 points keith is the leading goal scorer for a team in an ice hockey league. last season, he scored 42 goals in 82 games. assuming he scores goals at a constant rate, what is the slope of the line that represents this relationship if the number of games is along the x-axis and the number of goals is along the y-axis?

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?