Determine whether the set S spans R2. If the set does not span R2, then give a geometric description of the subspace that it does span. S =

(3, 4), (−9, −12),

1,

4

3

S spans R2.

S does not span R2. S spans a line in R2.

S does not span R2. S spans a point in R2.

Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet. what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet