Learning Task 2: Find the next three letters and figures in the following patterns. B. 3x, 5x, 7x, C a + b. a + 3b, a + 5b, D. x + y, 2x + y, 3x + y, Emn, 2m + 2n, 3m + 3n, F. 1, 4, 7, 10, G. 15b, 12b, 95, H. 6, 11, 16, 21, LC, F, I, J. 28. 24, 20, 16.