19. Simplify the following expression fully. 1.1 1 1 c d 20. Solve the following inequality. Write the solution in interval notation and graph it. 12y + 6| < 10 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10

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