Jessica made 6 19/20 cups of punch. Her punch had two different types of juice in it. If the punch had 4 1/5 cups of one type of juice how many cups of juice did it have?

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