Plez answer this i will mark u

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

For the equations below which statement is true ? -2x=14 6x=-42

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.