If two parallel light rays hit a plane mirror, what will be their orientation to one another after they reflect?
a. they will remain parallel.
b. they will be perpendicular.
c. it depends on the initial spacing between the light rays.
d. it depends on the angle at which they strike the mirror.

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