What is the range of the following graph?

Aline passes through 3,7 and 6,9 what equation represents the line

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute