How can you use absolute value to represent a negative number in a real-world situation?

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

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?

The length of the line segment ac is 8x-9 what is the value of x