If you own a store and want to mark your goods so that after tax they come out to a whole number, what should you price a $12 item for if the sales tax is 7%? In other
words, if you want the price to be $12 after tax, what should you price the item before
tax?

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