Seudónimo Seudónimo 01-11-2017 Mathematics contestada **Please check my first 2 answers** 8 × 19 A. (8 × 10) + (8 × 1) B. (8 × 20) − (8 × 1) (I choose this) C. (8 × 20) − 1 D. (8 × 10) − (8 × 1) ========= 2(9 + 3) A. (2 × 9) − (2 × 3) B. (2 × 9) + (9 × 3) C. (2 × 9) + 3 D. (2 × 9) + (2 × 3) (I choose this) ==================== For questions 3–4, simplify using the Distributive Property. 7 × 48 A. (7 × 50) − (7 × 2) = 350 – 14 = 336 B. (7 × 40) + 8 = 288 C. (7 × 50) – 2 = 348 D. (7 × 40) + (7 x 8) + 7 = 343 ============== 9 × 81 A. (9 × 80) + 1 = 721 B. (9 × 80) – (9 × 1) 711 C. (9 × 80) + (9 × 1) =729 D. (9 × 90) – (9 x 1) = 801