Keiko started a race at 6:44 PM and finished it at 7:13 PM. How long did it take her? Give your answer in minutes.

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.