Determina las coordenadas de los puntos de intersección de la circunferencia x2+y2−4x−2y+1=0 x2+y2−4x−2y+1=0 y la recta x-y+1=0

100 points, hi, i’m not sure how to get the equation from the graph and table.

Which table represents a linear function? i'll give brainliest to first answer ^'^

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)