Victor bought 3 baseballs at the sports supply store if each beseball cost $1.50 and he paid with a twenty dollar bill how much change should he get back

Alaptop computer is purchased for $1350 . after each year, the resale value decreases by 30% . what will the resale value be after 5 years?

How do i solve uniform motion problems?

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