The answer to this question is c
Y=1x-10 (sorry I could be wrong)
Run is the horizontal change between points. Run in slope means the change in "x" .
4 Americans can arrange themselves in 4! ways.similarly ,3 Frenchmen can arrange themselves in 3! ways.3 Englishmen can arrange themselves in 3! ways.now these 3 groups of same nationality people can be arranged among themselves in 3! ways.so total number of ways = 3!4!3!3!
You would multiply 28 times 10 which equals 2,800
