If 2x-y=2, what is the value of 9^x/3^y?

1) 3
2) 9
3) 27
4) 81

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9