A farmer harvests crops on 2/5 acre of land in 1/3 hour. At what rate, in acres per hour, does the farmer harvest crops? Enter your answer in the box .

Which of the following represents the factorization of the trinomial below? x^2+7x-30

When you flip a biased coin the probability of getting a tail is 0.6. how many times would you expect to get tails if you flip the coin 320 times?

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.