Find the surface area of the composite figure rounded to the nearest hundredths. Use the pi button.

The chart below shows the distribution of weeds in yard

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.

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.