George's collection has 4 times as many shells in it as Ricardo's collection. Together, they have 40 shells. How many shells are in George's collection? How many shells are in Ricardo's collection?
Select the person with more shells:

14 pointslet x be the seats in the small van and y the seats in the large van. how many seats does the large van have? a company uses two vans to transport worker from a free parking lot to the workplace between 7: 00 and 9: 00a.m. one van has 9 more seats than the other. the smaller van makes two trips every morning while the larger one makes only one trip. the two vans can transport 69 people, maximum.how many seats does the larger van have?

Which expression is equal to (f+g)(x)?

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0