1) Additive inverse of -a a) +a b) -a c) -b d) don't know 2) Additive identity in addition a) 0 b) 100 c) 9 d) infinity e) don't know 3) (-9+4)+(-8-3) a) 10 b) 0 c) +16 d) -16 e) -10 f) don't know 4) Which property is this - (2+3) = (3+2) a) Distributive of subtraction b) Distributive of Addition c) Commutative of Substraction d) Commutative of Addition e) Closure property f) none 5) + - =  a) + b) x c) - d) none 6) (9x27)-(9x12) can be solved by which property a) Can't be solved b) Distributive property c) Commulative property d) Closure Property e) Associative Property f) none 7) -16x-15 a) 240 b) 73 c) -240 d) -73 e) 840 f) -840 8) -a x -b = __________ which sign a) / b) * c) = d) - e) + f) % 9) -25 by 5 a) +4 b) -4 c) -5.9999999999999 d) -5 e) +5 f) -9 10) What is the rule for Closure property of addition a) The sum of all INTEGERS must be a whole no. b) The difference of all INTEGERS must be negative c) The sum of all INTEGERS must be an integer d) none.

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