How many ways are there to create 3 teams of 4 characters from a roster of 15 total?

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation

In september, louise planted a tree. every month, the tree louise planted grew 2 inches. what would the constant of proportionality of the line be?

The domain of the following relation: r: {(3, 5), (8, 6), (2, 1), (8, 6)} is (1 point) no domain exists {1, 5, 6} {3, 8, 2, 8} {2, 3, 8}