What is the constant of proportionality between the mass and the amount of stretch

(Hooke's law) is a fundamental relation that explains how a weight on a spring stretches that spring. There is a fundamental direct proportionality here, with a constant of proportionality called the ((spring constant)) .

Step-by-step explanation:

$650 per month plus utilities

step-by-step explanation:

just based on the info you gave, it would seem more cost effective to rent at $650 per month plus utilities.   if utilities are, in fact, $150 per month, your monthly living costs would be $800 as opposed to the other option of $825.