Will Give Brainleist! Plz help me on this problem Which equation represents a line with slope 3/5 of and y-intercept of -1 ?

Place the following steps in order to complete the square and solve the quadratic equation,

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap

The circle below is centered at the point (3, 1) and has a radius of length 2. what is the equation?