The 6 participants in a weight-loss class lost the following weights (in pounds) after three weeks of dieting. 6, 3, 1, 3, 5, 6
Assuming that these weights constitute an entire population, find the standard deviation of the population. Round your answer to two decimal places.

Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. david estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x.

Cal's go cart has a gas tank with the dimensions shown below. he uses a gas can that holds 11 gallon of gas, to fill the go cart tank. 11 gallon = 231 inches^3 how many full gas cans will it take to fill the go cart's gas tank?

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?