soniyarobinson soniyarobinson 04-04-2019 Mathematics contestada 14) Add: 9 28 + 6 28 + 7 28 A) 20 28 B) 21 28 C) 22 28 D) 23 28 15) What is the volume of this rectangular prism? A) 20 in3 B) 50 in3 C) 220 in3 D) 250 in3