A cone has a circle Base, a perpendicular height of 21cm and a semi vertical Angle 30°.calculate the slant height of the cone. fi. nd the area of its base

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?

If 7x=9y, y/z = 7/5 , then x/z = (a) 2/7 (b) 7/9 (c) 9/5 (d) 9/7 (e) 5/9

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25