Which property is represented by the equation shiwn below 6×3= 3×6​

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box.