Give me a possibble questions about working student?

Which statement about covalent bonds is true

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

Use vsepr theory to predict the molecular geometry of the molecule hcn.