A scale drawing of a stop sign is shown. The scale of the drawing is 1 inch represents 1/3 foot. All of the sides of the stop sign are the same length. How
long, in feet, is each side of the actual stop sign?

How do i solve uniform motion problems?

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

Asequence is a function whose is the set of natural numbers