1) What is the rule? a) Increase by two. b) Decrease by two. c) Increase by four. d) Decrease by one. 2) What is the rule? a) Increase by two. b) Decrease by four. c) Increase by four. d) Decrease by one. 3) What is the rule? a) Increase by ten. b) Decrease by four. c) Decrease by ten. d) Decrease by one. 4) What is the rule? a) Increase by ten. b) Decrease by four. c) Decrease by ten. d) Decrease by one. 5) What is the rule? a) Increase by ten. b) Decrease by four. c) Decrease by ten. d) Increase by two.

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