Circumference 113.04 units

Answer for 10 points show work you guys in advanced < 3

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?

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?