Use the product property for radicals to simplify the following radical expressions as much as possible. Square root of 54

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?

Use the distance formula to find the distance between (-3,5) and (3,1)

What is the missing justification in the proof of the pythagorean identity below, sin^2x+cos^2x=1, using a right triangle?