A 6, 15, 45, 135
B 6, 18, 54, 162
C 6, 9, 12, 15
D 6, 15, 39, 111



Which compound inequality could be represented by the graph?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

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?