The inside walls of a bowl are designed to have cross-sections in the shape of a parabola. The width of the bowl at its opening is 23 centimeters and the depth of the bowl is 13 centimeters. Assuming that the base of the bowl is represented by the point (0,0), which of the following gives the equation of the parabola that can be used to model the walls of the bowl

As a project for math class, two students devised a game in which 3 black marbles and 2 red marbles are put into a bag. first the players must decide who is playing black marbles and who is playing red marbles. then each player takes a turn at drawing a marble, noting the color, replacing the marble in the bag, and then drawing a second marble and noting the color before returning it to the bag. the point scheme for the game is detailed in the table below. point values for marble game black marble points red marble points both black: +2 points both red: +4 points different colors: –1 point different colors: –1 point both red: 0 points both black: 0 points