IF you are in 5th K12 I really need help and if you know the answer them answer

I need help I WILL MARK CROWN just make sure it is right

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

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1