HELPPP PLS, for some real number k the graph of the line y=(2k-1)x + 4 passes through the point (1,7). What is the value of k

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

How is the equation of this circle written in standard form? x2 + y2 - 6x + 14y = 142 a) (x - 3)2 + (y + 7)2 = 200 b) (x+ 3)2 + (y - 7)2 = 200 (x - 6)2 + (y + 14)2 = 142 d) (x+6)2 + (y- 14)2 = 142