According to a recent report, people smile an average of μ = 62 times per day. Assuming that the distribution of smiles is approximately normal with a standard deviation of sigma σ =18, What proportion of people smile less than 80 times a day?

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

This is about circle theorems. someone asap : (

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)