Aboat is travelling at a velocity represented by 2x3 - 10x2 + 7. at the same time, current is pushing the boat in the same direction with a velocity given by 5x3 + 19x2 + 4x. what is the total travelling velocity of the boat?

Which of the following represents the length of a diagonal of this trapezoid?

What percent of the butterfly tents contain at most 10 cocoons

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