The two vectors A and B are defined as A=(3 m 4 m) andB=(5 m -3 m) where the fir

The two vectors A and B are defined as A=(3 m 4 m) andB=(5 m -3 m) where the first number is the x-component of thevector and the second number is the y-component of thevectorWhat is the magnitude of vector A?What is A + B?