or a Painting 12.5 : Aercises Complete the following: the intercepts and domain, and perform the symmetry test on each of th Find zinting. It needed to fit inside a - by tracing along a string held en the foci had length 2a. und its center (point C I drew horizontal then e tacks, knowing that of 7 in from point P and ck held a pencil at (a) 16r- + 25y? = 400 (c) x² + 4y² = 4 (e) 4x² + y² = 64 (g) 9x2 + 4y2 = 36 (b) 25x2 + 16y? = 400 (d) 4x2 + y2 = 4 bo​

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