Answer:
Commutative property of addition:
a+b=b+a
Associative property or addition:
a+(b+c)=(a+b)+c
In the 3 blanks, first is 4, then is 8, and the last one is 14 for the answer.
For slide 2, on commutative property, the first blank is 17, and the next one is 10.
For associative, the first one is a, and the next one is c, and in the third box belongs 7.
