There are 3 red marbles 4 white marbles and 1 green marble in a bag. marbles are drawn without replacement. what is the probability that 3 marbles can be dawn without drawing a green marble?
0.625 < my answer>
0.643
0.670
0.998
0.179
did i get it right?

(note i put the graph in so plz )the graph shows the amount of water that remains in a barrel after it begins to leak. the variable x represents the number of days that have passed since the barrel was filled, and y represents the number of gallons of water that remain in the barrel. what is the slope of the line

For which rational expression is -2 an excluded value of x?

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.