Answer:
1.The marathon was the brainchild of French concert promoter Patrick Bauer who in 1984 traversed the Sahara desert on foot and alone.
2.He covered 350 km (214 mi) in 12 days without encountering a single oasis or desert community along the way.
3.Marathon des Sables, or MdS, French for Marathon of the Sands, also known as Sahara Marathon.
Explanation:.
Answer: Parasites are defined as organisms which live on or within some other living organisms deriving sustenance from it, the organism in which he lives is an host. A parasitic relationship is one in which one organism, the parasite, lives off of another organism, the host, harming it and possibly causing death.
Explanation:
The slope of segment CD is 7. The length of segment BC is √50 units and the figure is a square.
Explanation:
Part A
Slope of a segment is calculated as the ratio of rise over run
In this case, C (8,3) and D(7,-4)
The slope is m=Δy/Δx
Δy=-4-3=-7
Δx=7-8=-1
m= -7/-1 =7
The slope is positive as seen in the graph for segment CD
Part B
To find length of a segment, the formula to apply is:

Given that B(3,8) and C(8,3) then
x₁=3,x₂=8,y₁=8,y₂=3
substitute values in equation as;

The formula used to find length of a segment
Part C
The geometric figure is a Square.The proof is that the length of the segments is equal, √50 units
Lean More
Properties of a square: brainly.com/question/1968511
Keywords : geometric, figure, coordinate, vertices,slope, segment
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