Which problem would a market economy solve more effectively than other economies?

a. rising rents cause many low-wage workers to not be able to afford housing.
b. there is great consumer demand for healthy food, but few stores carry it.
c. luxuries are hoarded by leaders of a society, leaving other people very poor.
d. the entirety of oil production is owned by a single person who overcharges for it.

will give brainliest

As nina and erin were eating lunch in the central high school student cafeteria, they were discussing the news coverage about the girls' athletic coach being arrested for selling steroids to student athletes. "i think the guy just did it because they don't pay teachers enough money," nina suggested. "i bet the guy had some other kind of drug addiction he was trying to pay for," erin countered. nina and erin's ideas about the cause of the coach's drug-selling behavior are examples of: