Which is the cost of the minimum spanning tree of the weighted graph using Kruskal's Algorithm?

28

30

31

40

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm.dist(80,475,33,1) =norm.inv(0.80,475,33) =norm.s.inv((80-475)/33)?

Carlos by 24 mi and ran 6 miles what is the ratio of the distance carlos ran to the distance he biked

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4πr^2. write your answer in scientific notation.