Mr. K was able to spot quite a few window washers on the skyscrapers there. He asked them how long it took to wash windows on such a building. They said that each person could wash 50 windows in 1 hour. (How long would it take the 3 workers to wash all 1000 windows on one of the skyscrapers?)

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

4. a single woman uses an online cash flow calculator which reveals a cash flow of 203. what does this mean?

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