Let g be a connected graph on n vertices. (a) show that any connected subgraph of g on n vertices contains a spanning tree of g. (b) use this to show that if a set s has an edge in common with every spanning tree of g, then it contains a cutset.

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?