(Solution Document) I have 30 minutes to answer: For children between the ages of 18 months and 29 m

I have 30 minutes to answer:

For children between the ages of 18 months and 29 months, there is approximately a linear relationship between height and age. The relationship can be represented by ? = 61.05 + 0.63x where y represents height (in centimeters) and x represents age (in months). Joseph is 23.5 months old and is 82 centimeters tall. What is Joseph's residual?