A construction crew built 9 3/4 miles of road in 3 3/8 days. What is the unit rate in miles per day?

Write your answer as a fraction or a mixed number in simplest form.

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.

If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column d c. column f b. column e d. column g

Find the domain of the following expression: 1/(√x)-2