Help me out this is important ot me to get an A

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

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?

How many dollars more is the price of a pie than the price of a doughnut at erik’s store