What is the angle between the lines y=2x+3y = 2x + 3y=2x+3 and x+2y+5=0x + 2y + 5 = 0x+2y+5=0?
90∘90^\circ90∘
45∘45^\circ45∘
60∘60^\circ60∘
30∘30^\circ30∘