Assume the random variable x is normally distributed with mean μ = 80 and standard deviation σ = 4. Find the indicated probability. P(x < 72) = (round to four decimal places as needed).

For the function, f(x) = -5x 2, find f(-4).

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?