It takes Evan 6 3/4 hours to mow 3 lawns. It takes him 2 1/3 hours to mow Mr. Gal's lawn and 1 3/4 hours to mow Ms. Lee's lawn. How many hours does it take Evan to mow the third lawn?

Combined megan and kelly worked 60 hours.kelly worked twice as many hours as megan.how many hours did they each worked?

What does the sign of the slope tell you about a line?

Need to finish my juan wants to build a greenhouse in his back yard. he needs to maximize the ratio of floor area to structure volume in order to provide the most room for plants while minimizing the area to be heated. find the description of the structure that best meets juan’s criteria. a.) a hemisphere with a diameter of 12 feet b.) a cube with a side length of 12 feet c.) a cone with a diameter of 12 feet and a height of 10 feet d.) a square pyramid with a base side length of 12 feet and a height of 9 feet