4). (4 points) 24 meters of fencing is used to fence a rectangular garden. Let M represent the number of square meters in the area of the garden. What is the largest value that M could be?


5). (4 points) Ryan and Ky were racing bikes around a circular track. Ryan rides once around in 6 minutes, and Ky can do it in 4 minutes. In how many minutes will Ky overtake Ryan?