Abag contains 3 green marbles, 4 red marbles, and 5 blue marbles. three marbles are drawn from the bag without replacement. find the probability of drawing 2 red marbles and 1 blue marble.

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle?