He total cost a painter charges to paint a house can be modeled by the equation 25x - y = - 200 . x represents the number of hours it takes to paint the house and y represents the total cost , which graph best models this situation ?

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