The average adult weighing 152 to 189 pounds has 4.5 to 5.7 litres of blood, 40% of which is red blood cells. How many red blood cells are in the body if each red blood cell has a volume of 9x10-17 ml?

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Plot the intercepts to graph the equation

The surface area of the triangular prism is .