What is the equation of this circle in standard form?

(x+1)2+(y−1)2=5

(x−1)2+(y+1)2=25

(x−1)2+(y+1)2=5

(x+1)2+(y−1)2=25

What is this equation in point-slope form?

Select the correct answer. in the figure, angle k measures 45°. what is the measurement of angle c? a. 38° b. 45° c. 90° d. 98°

What is the missing step in this proof ?