Windstorm removed 79 ton of soil from a small farm in 14 hour. What is the rate of soil removal in tons per hour? A)713

B)736

C)2810

D)289

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.

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*