In which quadrant does the terminal side of a 150°angle lie?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Which of the following is an irrational number

Is by a(-4, 2), b(-2, 4), c(1, 3), d(2, 2).of ofto . of d′ if90° to a′b′c′d′ (-2, 2) of c″ if90° to a″b″c″d″ (4, -2) of a′′′ if° to a′′′b′′′c′′′d′′′ (3, -1) of b″ if° to a″b″c″d″ (4, 2)