Find the squares of the following numbers: (a) 9 (b) 17 (c) 37 (d) 93 (e) 130 (1) 333 (g) 980 (h) 1004 ​

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?

Plzzz answer both questions and i will give you 100 points

The roof of a farm silo is the shape of a hemisphere and is made of sheet tin. if the diameter of the silo is 126.5 feet, how much sheet tin is needed to make the roof? (use π = 3.1416.)