Pl this is a quiz Is this Arithmetic, Geometric, or neither?

1, 3, 7, 15, 31
20, 13, 6, -1, -8

Which graph represents y=^3 sqrt x+8-3 ?

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.

In the 30-60-90 triangle below side s has a length of and side r has a length