PLs awnser all 3 questions thank you

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?

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).