Will give Brainlist and 20 points please help question in picture PLEASE SHOW YOUR WORK!!

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

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Iwill give brainliest. suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?