Answer please and thanks everyone for the support

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

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?

I'm confused on this could anyone me and show me what i need to do to solve it.