Please help me with 1,2,3,4,5,6 and show me how you get it the answers please I really need help

If a is a nonzero real number then the reciprocal of a is

Jim had 15 minutes to do 5 laps around his school what would his time be

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.