In a lab, a substance was cooled by 28 degrees over a period of 7 hours at a constant rate. What was the change in temperature each hour?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=