Kelly tells you that when variables are in the denominator, the equation one over two plus three over x equals three over four becomes unsolvable. kelly explains, "there is a value for x that makes the denominator zero, and you can't divide by zero." demonstrate to kelly how the equation is still solvable and explain your reasoning.

Kilgore trout creates a new scale to diagnose depression. however, his scale only assesses one symptom of depression while ignoring others. which of the following is his new scale most likely lacking? a) test-retest reliability b) discriminant validity c) criterion validity d) alternate-forms reliability e) content validity f) none of the above