Complete the mathematical sentences in each column in order to illustrate the corresponding property stated


1.) 25 + 30 = _ (Closure PA)

2.) -9 × 5 = 5 × _ (Commutative PM)

3.) 8+(-8) = _ ( Inverse PA)

4.) -7 x 1 = _ (Identity PM)

5.) (-2+3)+7=_+ (3+7) (Associative PA​