HELP PLS!!! how to Construct an irregular quadrilateral ABCD using the polar method- ratio 1:3

If wxyz is a square, which statements must be true?

Which is true regarding the graphed function f(x)?

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