In how many ways can 15 identical math books be distributed among 6 students?

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details