A bag contains 9 blue marbles and 3 red marbles find the probability of one red marble and one blue marble

Jackson drew 4 hearts and 29 circles. what is the ratio of circles to all shapes?

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Write the equation of a line that goes through point (0, 1) and has a slope of 0.