dmitrybuzhduga dmitrybuzhduga 16-10-2019 Mathematics contestada PLZ HELP ASAP! Brainiest if you answer all the questions and 50POINTS! 1.8v2+8v-48 2. 6y2-24y+18 3.9r2-36r-25 4.8m2+30m+7 5.10w2-31w+15