from the hay loft door ted sees his dog on the ground the angle of depression of the dog is 40 degrees ted eye level is 16 feet above the ground how many feet must the dog walk to reach the open barn door directly below ted ?

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

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?

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder