How much lower was the 6 a. m. temperature in boston than in springfield?
(boston's temperature: -2 degrees; springfield: 33 degrees)

Cynthia takes her dog to the park every 2 days. she bathes her dog every 7 days. if she took her dog to the park and bathed him today, how long will it be until she does both on the same day again?

Ammonia molecules have three hydrogen atoms and one nitrogen atom. how many of each atom arein five molecules of ammonia

Graph the equationy= x+3[tex]y = x + 3[/tex]