Emilio use addition of two rational numbers to solve a problem jim use subtraction to solve the same problem. is it possible that they both solve the problem correctly? use a specific example to explain.

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

Which of the following vectors are orthogonal to (2,1)? check all that apply

Someone which statements are true? check all that apply.