Which expression is a cubic polynomial?
a) 3x^2-1
b) x^3-1
c) x^2 - x + 3
d) 3x^2-x+3

The answer is B) x^3-1 because it's the only one with the 3rd degree

You have 2 sides that are 2 cms and you have 6 sides that are 1/2 cm and you have 4 sides that are 1 cm. the smallest sides are 1/2 the medium sized sides are 1 and the smallest are 1/2. so to find the perimeter you have to add them all up together so your answer will be 11 cm's