Which expression is equivalent to 9a + 12?

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 upper quartile in the box plot?

If chord ab is congruent to chord cd, then what must be true about ef and eg?