Apattern follows the rule "starting with two, every consecutive line has a number one more than the previous line."1. how many marbles must be in the fifth line?

What 2 forces allow things to fall ‍♀️‍♀️

How do you solve a question like this?

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?