When notations accurately represent the range? Check all that apply.

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.