Solve the systems of equations using substitution

-3x+2y=12

x=2y-8

Which of the following is not a subset of {1,2,3}?

3x + 4y = 5 x- 3y = -7 solve by substitution

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