12 is the diameter. We need the circumference which you get by multiplying 12x2 sides which = 24 which is the circumference
Answer:
A factor is a number that when its multiplied with another number, gives a product of a given number. Example: The factors of 21 are 7,3,1 and 21. A multiple is a number that can be divided by another number a certain amount of times evenly (without a remainder). Example: Some multiples of 4 are: 8, 12, 16, and 20.
ANSWER: 3x^2 + 6
4x^2 + 1 - (x^2 - 5) = 3x^2 + 6