When x = 2 and y = - 1 What is the difference between 3x^2 -2 and the value of 2x^2-3y

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.

To which set of numbers does the number –5 belong? select all that apply. integers natural numbers rational numbers real numbers whole numbers

Explain how you do each step what term makes it inconsistent y=2x - 4 ?