Which of the numbers below belongs to the set of integers? i. 5 ii. -3 iii. 0.25

Obviously it will be 0.25.

Because this number is a rational number not a integer number

I. 5 and II. -3. Integers can be whole numbers and negatives.

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

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