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A person’s or group’s state of mind, level of enthusiasm, and amount of involvement with work and with life is their MORALE.

1. The bearing from the Pine Knob fire tower to the Colt Station fire tower is N 65° E, and the two towers are 30 kilometers apart.  A fire spotted by rangers in each tower has a bearing of N 80° E from Pine Knob and S 70° E from Colt Station.  Find the distance of the fire from each tower.    Distance of the fire from Pine Knob: [pine] km Distance of the fire from Colt Station: [colt] km   **Round your answers to the nearest hundredths please. 

The theory that people live up to expectations-if people believe they can do a job, they usually can. If they don’t, they usually can’t.

Due to the greenhouse effect, ultraviolet astronomy must be done from space.

All optical telescopes will bring the light from a star to a focus.

The opacity of the atmosphere is partially corrected via adaptive optics.

Demanding higher performance usually requires accepting more

In the space below, please demonstrate the correct way to format the header for your paper according to MLA. 

Question：东东和小李在夏天做什么？（Type Chinese characters and complete sentences）

For the following graph: Suppose that Prim’s algorithm has been executed, starting from node F, up to the point at which there are six edges selected for inclusion in the minimal spanning tree. List these edges in the order that they are selected for inclusion, using notation similar to (A, B) to specify an edge. Suppose that the Kruskal’s algorithm has been executed, up to the point where there are six edges selected for inclusion in the minimal spanning tree. List these edges in the order that they are selected for inclusion. Kruskal’s minimum spanning tree algorithm uses a heap to quickly find the lowest cost edge not already chosen. What would be the running time of the algorithm if instead of using a heap, -the algorithm used a simple unsorted array to store the edges?