Abag of marbles contains 3 red marbles, 4 blue marbles, and 6 green marbles. if two marbles are pulled out without replacement, find the probability of getting one red and one blue marble.
(can you show the work so i can see how to get the answer) .

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0