Which of the following demonstrates the commutative property of multiplication?
a 3(4a − 2) = 12a − 6
b 3(4a − 2) = (4a − 2) ⋅ 3
c 12a − 6 = (4a − 2) ⋅ 3
d (3 ⋅ 4a) − 2 = 3(4a − 2)

The table shows the number of students who signed up for different after school activities. activity students cooking 9 chess 4 photography 8 robotics 11 select the true statements about the information in the table.