What do you mean by DEFCON ?

An equation where variables are used to represent known values—function notation true or false

Which system of linear inequalities is represented by the graph? x-3y > 6 and y? 2x + 4 x + 3y > 6 and y? 2x - 4 x - 3y > 6 and y? 2 - 4 x + 3y > 6 and y > 2x + 4 no be 2 -1.1 1 2 3 4 5 submit save and exit next mark this and retum be

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'