1) You will need a pencil and paper for some questions. a) Ok b) I'm fine. 2) What is 10b + 8a? a) It isn't possible. b) 18ab c) 10b8a 3) What is 1b the same as? a) 2b b) 1c c) b1 d) b 4) What is x+ 9y-3x-10y? a) -2x-y b) x9y3x10y c) x9y - 3x10y 5) True or False? You can add 2 numbers with different signs. (e.g. 2a+3b) a) True b) False 6) What is {6a[3b-4b(9c+5c)]-10a}? a) 4a +b-14c b) -4a-b+14c c) I don't know.

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