Hanna travels 70 miles at an average speed of 60 mph. She then travels a further 40 miles. The average speed for the entire journey is 46 mph. Assuming Hanna didn't stop, what was her average speed for the final 40 miles to 2 dp?

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