Need help asap. don’t know the answer. k12 question.

Plz which expression is equivalent to the expression below?

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?

What is the factor form of x^2-9x+14