6. Use the relation R={(1,2),(2,3),(2,4),(3,1),(3,4),(4 ,1),(4,2)} to draw the digraph. Use the Floyd and Warshall algorithm to calculate the shortest
path. The weight for each set is as follows:
[20 Marks]
(1,2) - 3
(2,3) = 12
(2,4)=5
(3,1) = 4
(3,4) = 4
(4,1)=2
(4,2)=-4

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

Who long does it take to drive 150 miles at 45 miles per hour