What is the result when the number 38 is decreased by 4%​

15 point ! ~ see if you know the answer to both you!

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

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest