Maths homework
Help pls

Which expression is equivalent to √ -80?

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.

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?