It’s less than cuz 2/10 is less than 3/10 (<)
17 inches
15^2 + 8^2 = 289
square root of 289 = 17 inches
The error is that he probably forgot the decimal point thus causing him to say '"hundred" instead of "and" for the decimal point.
Answer:

Step-by-step explanation:
Given Equation:
y=? at x= 1
Putting the given value of 'x' in the equation:

At
, the value of y is 