HELP I am thinking of two numbers. When I add them I get 14. When I take one from the other, I get 6. What is the larger number?

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

With alll of except for the 2 that i did already