Form the union for the following sets. M = { } N = {6, 7, 8, 9, 10} M ∪ N = {∅, 6, 7, 8, 9, 10} {6, 7, 8, 9, 10} { } {0, 6, 7, 8, 9, 10}

we'll this would mean that the dunk tank and the bounce house are the same for 20 hours because the 2 represents that the two activities, and the 20 represents the amount of hours they both are. so with this said, it means that the answer is c. the costs for a dunk tank and bounce house are the same for 20 hours.

c.the costs for a dunk tank and bounce house are the same for 20 hours.

hope this .

3xy cannot be combined with the others

2x, -5x and x are like terms