Help thank I will give you brainlist

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

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

How do your peer relationships affect your overall health status? what can you do to improve your peer relationships?