Sonia first trains her new dog by saying “good dog!" before giving him a food treat. She then trains her dog to sit and stay, saying “good dog!" when he provides the correct behavior, while continuing to periodically
provide a food treat. Sonia is using which method(s)?

Ryan, jessica, and mark each solved this system of equations. all of their answers are different. find and explain the mistakes. what is the correct answer? y = 3x + 2 6x – 2y = 10

98 points! include an answer and in advance!

Afootball game between the thunder and the sharks is in its closing minutes, with the thunder ahead by 20 points. the thunder’s coach considers sending in the second-string quarterback. this would reduce the risk of the star quarterback getting injured, but the second-string quarterback is not very good. complete the passage describing the coach’s decision in economic terms.