Three times twice an unknown number equals 30.

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

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