Answer: 13
Step-by-step explanation: The range of a group of numbers is the difference between the largest and smallest numbers. First, we can order these numbers from least to greatest.
32 - 33 - 34 - 37 - 40 - 45
Next, we can subtract the smallest number from our largest number.
Smallest number = 32
Largest number = 45
45 - 32 = 13
Therefore, the range of these numbers is 13.