The drama club at a local high school sells adult teen and child tickets for a school play. The matrix below represents the tickets sold and the cost of the tickets for three performances. Which of the result of performing the row operation -2R+R2-R2 on this matrix?

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?

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why