Jude earns $27 interest each year on an investment. His principal was $900. What is Jude's interest rate? 9%
6%
3%
30%

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.

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.

Def rotates 90 clockwise about point a to create d’ e’ f’. therefore, which equation must be true ?