Mason drew a scale drawing of a house. In real life, the garage is 8 meters wide. It is 4 centimeters wide in the drawing. What scale did Mason use?

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.

What is the radical expression that is equivalent to the expression 27 1 over 5?

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.