Given that f(x)=x^2+2x+3 and g(x)x+4/3. solve for f(g(x)) when x=2

Find an equation (in term of x) of line through the points (-1,3) and (1,4)

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

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?