What is the area of trapezoid defg with coordinates d (4, 3), e (4, 0), f (2, 1), and g (2, 3)? 10 square units 5 square units 3 square units 2 square units

In an experiment you are to flip a two sided coin 100 times and record 55 heads up and 45 tails up determine the theoretical and experimental probability of getting a heads up in the experiment.

Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?

Need solving this 2nd limit problem.