Need to find three techniques and the effects used for each one

Find the center and the radius of the circle with the equation: x^-2x+y^2+4y+1=0

Describe the term romanticism. how is it evident in the poems of the era? be sure to include information related to poems from at least two authors. support your response with evidence related to form, sound, structure, and other poetic elements.

How does edward covey attempt to break douglass’s spirit?