The eggo factory makes frozen pancakes at a rate of 1.35•10^6 every 1.08•10^5 seconds. how many are produced in 60 hours

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Find the power set of each of these sets, where a and b are distinct elements. a) {a} b) {a, b} c) {1, 2, 3, 4} show steps

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 between 80 and 120.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 between 80 and 120.