If an equation can be rearranged into the form \(y = mx + c\), then its graph will be a straight line. In the above: \(x + y = 3\) can be rearranged as \(y = 3 - x\) (which can be re-written as ...

A diary entry of a North Korean soldier deployed to fight in the Russia-Ukraine war has revealed how Pyongang's troops are being used as "drone bait", as "cannon fodder" in the brutal war. Wall ...