Graph vô hướng G(V, E) với V={a, b,c, d,e}, E={ab, ad, bc, bd, be, ce, de}. Trong Graph G(V, E) đường đi sơ cấp ngắn nhất từ a đến e qua bao nhiêu cạnh? a. 2
b. 4
c. 5
d. 4

What is the midpoint of the segment below? (-4,-7) (5,6)

Venus is about 108 kilometers from the sun. saturn is about 109 kilometers from the sun. about how many times farther from the sun is saturn than venus?

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.