What is this? Please answer with an explanation

Find the solution of system of equation y= x-4 y=4x+2

Astudent has created the give circuit diagram. it consists of a battery, a resistor, and a light bulb. in one minute, 1.2c of charge flows through the resistor. how much charge flows through the light bulb in one minute?

Will give a: 122 b: 90 c: 48 d: 180