Choose the example that correctly shows the mean population density of a region. a. 678 people per cubic meter b. 678 cubic meter per number of people c. 678 people per square mile d. 678 square mile per people

Answer this question, only if you know the answer. 30 points and brainliest!

The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?

Afarmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. each bag of soil covers 20 square yards. how many bags should the farmer purchase? (4 points) 1 bag 2 bags 3 bags 4 bags