Can someone help me solve this problem?!?!?

Use the distributive law to multiply. 3(4x + 5y + 6)

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function

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