9. A bag contains 3 red, 2 white, and 5 blue marbles. If one marble is drawn and not replaced and another (Inv. 10) marble is drawn, what is the probability that both marbles will be red?​

Jayda's house is located at (1, 5). she can walk in a straight line to get to cristian's house. a fast-food restaurant is located at (11, 0) and partitions the way from jayda's house to cristian's house by a ratio of 5: 1. find the coordinate of cristian's house. me . im a little stuck

Mrs. blake's bill at a restaurant is $42.75. she wants to leave the waiter an 18% tip. how much will she pay in all, including the tip?

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2