Anyone wanna zo om? i am boored​

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

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document