What is the value of the expression when n=3?

Which statements about these triangles is true

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

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.