Asystem of linear inequalities is shown below y - x is less than 0 + y -1 is greater than 0 which of the following graphs represents the solution set to the system of linear inequalities

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.

Is the power produced directly proportional to the wind speed, give reasons for your answer?

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?