Freddy is two years old than her brother. twelve years ago, she was twice as old as he was. how old were they? equation

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

The box plots show the average speeds, in miles per hour, for the race cars in two different races. which correctly describes the consistency of the speeds of the cars in the two races?