Which shows a translation of octagon A three units right to form octagon A'?

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.

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?