popularkon popularkon 27-09-2018 Mathematics contestada Please help i really need this right simplify (-4) x (9) - (5) x (-2) A. -36 B. -26 C. 2 D. 82 simplify -4(x - 5) + 3(a - 7) A. -4x + 3a - 41 B. -4x + 3a - 1 C. -4x + 3a + 1 D. -4x + 3a + 41 Evaluate 4(a - 3b) when a = -4 and b = 6 A. 72 B. 56 C. -56 D. -88 evaluate 3(a - 4b) when a = -2 and b = 5 A. -66 B. 54 C. 39 D -54