Need help ASAP please

The actual length of side t is 0.045cm. use the scale drawing to find the actual side length of w

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

Given lm, find the measure of (award brainliest)