Find the total surface area of the figure below 11cm 16cm

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

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