Whats up people just got my last account deleted by the du. mb mods. how yall doing?

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

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.