A) y/x - 5 = 1 b) 2 - y/x = -2 c) -x - y = 0 d) xy - 5 = 1

Question 2
Which of the following equations model direct variation?

a) y + x = 0 b) y - 1 = 3x c) x/y + 2 =1 d) y/x - 6 = -5

Question 3
Find the constant of variation (k).

-y + 9x = 0

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