Carson currently has a 1,250 dollars in his bank account and Emily has 1,400 in her bank account Carson deposits $27.50 per week Emily deposits $20 per week into her account after how many weeks will they have the same amount of money

Answer for 10 points show work you guys in advanced < 3

What is the product? a-3/15a × 5/a-3

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.