Find and simplify the quotient 2/3 divided by 8/9

What is the product of the radical expression. (7-2square root) (8+2 square root)

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

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?