Please help ASAP! please and thank you!! Have a great and blessed day!

Math i have no idea how to do a and b

Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense

This activity will you meet these educational goals: mathematical practices-you will make sense of problems and solve them, reason abstractly and quantitatively, and usemathematics to model real-world situations.directionsread the instructions for this self-checked activity type in your response to each question, and check your answers. at theend of the activity, write a brief evaluation of your work.