The sum of two numbers is 4 less than twice the larger. if the larger is deecreased by three times the smaller, the reesult is -20. find the numbers

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

What is the missing step in this proof ?

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