Can the square of an integer be a negative number? Explain.

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

This is about circle theorems. someone asap : (