Find the three angles of the triangle formed using the position vectors i hat − j + 4k and i hat + 2j + 3k and the line segment connecting their endpoints. give your answers in degrees to two decimal places. (enter your answers as a comma-separated list with no degree symbols.)

Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.