The numbers on two consecutively numbered time lockers have a sum of 129. What are the locker numbers? The locker numbers are?

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

In what form is the following linear equation written y=9x+2

How do you solving the solution of each system using elimination?