Find the range of the following data: (a) The weights (in kg) of 10 persons are:
22, 27, 29, 31, 33, 36, 37, 39, 41, 43.

What are “like terms”? why can we only add like terms?

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.