During the month of January the temperature was 5 degrees Fahrenheit one morning. It rose all the way up to 17 degrees Fahrenheit in the afternoon. What was the percent change?

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?

What is the range? can’t seem to find it out

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?