Using the given matrices, calculate the quantities, if they are defined. (If not possible, enter IMPOSSIBLE into any cell of the 7 x 9 2 A-[25] B = AB C = a 5 7 10 3 1 x 2 9 13 2 0 E = 7 6 0 F = ### G = 6 y 13 5 9 12 9 13 5 0 1 0 701 3 17 1 0 1 H = [BH] K= 15 0 2 0 y 1 (a) (e) 3B A (b) (c) (d) A 9C ↓↑ 8F + G- E 3K + 9H H - 16G ↓1 ↓1 ↓↑ 11 ↓↑ (f) B-7K ↓↑ (9) 7F - F (h) H-K+ 7H ↓1