There are 20 red, 20 blue, and 10 yellow marbles in a bag. What is the probability of drawing two marbles out of the bag and having the second be a different color than the first?

Will mark brainliest question in the pic.

How do you determine if an ordered pair is a solution to a given equation?

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?