X^2-y^2+4y-4.phân tích đa thức thành nhân tử chung

i just took the test, the correct answer is .. 31.5 in.

just take the area of the square and then the area of the circle then subtract the circle area from the squares area

step-by-step explanation:

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}