A boat moves 12 kilometers upstream in the same amount of time it moves 18 kilometers downstream. If
the rate of the current is 5 kilometers per hour, find the
rate of the boat in still water.
Fill in the blank for the correct
The speed of the boat is ___ km/h in still water.

Adice is rolled 5 times. how many possible rolls are there? ( determine the number of outcomes using only the fundamental counting principal )

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?

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)