AA shopkeeper Sold His goods for rupees 16950 25 discount and then 13 % sales tax. find the amount of discount ?

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?

Don't know how to find x given these segment lengths

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)