A plane travels at and angle of 25 degrees north of east for 6 km and then travels at 42 degrees north of west for 4km. Then it travels west for 7km. What is the magnitude and direction of the planes total displacement

Against his financial advisor's advice, frank has decided to invest his money in some risky stocks because he once made quite a bit of money in the stock market. his decision illustrates a. the representativeness heuristic b. overconfidence c. the availability heuristic d. confirmation bias select the best answer from the choices provided