Fidel has rare coin worth $500. Each decade, the coin’s value increases by 20%. Which graph shows the coin’s value y (in dollars) after x decades?

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq less than 132. the probability that a randomly selected adult has an iq less than 132 is?