Which of the following are properties of a perfect square trinomial? Select all that apply.
A. The second and third terms must be perfect squares.
B. Neither of the perfect squares can have a minus sign.
C. If the perfect square terms are A2 and B2 then the other term
must be 2AB or -2AB.
ID. None of the above is a property of a perfect square trinomial.

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered