Ineed some on this, my teacher left us homework without explaining most of it. can yall explain it

Me because some of question i don’t understand

Alana has 12.5 cups of flour with which she is baking four loaves of raisin bread and one large pretzel. the pretzel requires 2.5 cups of flour to make. how much flour is in each loaf of raisin bread? explain the steps to follow to get the answer.

Which expression is equivalent to 3^3 + 2^2?