Arailing needs to be build with 470.89 metric ton of iron the factory purchased only 0.38 part of required iron . how much iron is needed to complete the railing?

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.

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points