What is the range for this data set?

range = 9

Step-by-step explanation:

The range is the difference between the largest and smallest values

largest value = 12

smallest value = 3

range = 12 - 3 = 9

12-3=9

Step-by-step explanation:To find the range,you have to subtract the highest number and the lowest number which in this case the highest number is 12 and the lowest number is 3 so the answer is 9.

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thats not a system of equations, that is a solution