Parallelograms puzzle. what’s the order pls help!!!

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.

Which is a graph of a proportional relationship?

Which of the following can be used to explain a statement in a geometric proof?