can someone help me on this pls the question is how long did it take rip van winkle's beard to be 35 milliters long. the graph is in the pictures​

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

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 of the following expressions is equal to 2x^2+8