Sam received his test back and earned 24 out of 40 points. What percent did he receive on the test?

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

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?