A grocery store has advertised a sale on ice cream. Each carton of any flavor of ice cream cost 4. 00, if Cecy buys one carton of strawberry icecream, and one carton of chocolate icecream. Write an algebraic expression that represents the total cost of buying the icecream

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters