The horizontal line through (3,7) in point-slope 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.

Can (3,5 and square root 34) be sides on a right triangle?

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the