A container releases fuel at a rate of 5 gallons per second. y represents the amount of fuel remaining in the container and x represents the number of seconds that have passed since the fuel started dispensing. Which line could represent this situation? HELP!

Robert has 78 tomato lants and 56 cucumber plants .he wants to plant them in rows that only have one type of plant in each row with the same number of plants in each row. how many plants should he put in each row and how many rows of each type of plant will he need