Please please help I beg you

Describe the domain and range of y=2(3)^x-2+5

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose

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.