Answer:
40 is an addend in an addition
40 is the y-intercept if the question really is y = 7.5x + 40.
Explanation:
40 is just a number in a sum of 2 numbers.
Perhaps you meant
y = 7.5x + 40
If that is the case, then 40 is the y-intercept.
4.4m questions
5.6m answers