What's wrong or rude in this huh?

Don't delete this or I will delete app from world​

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?