) Group B [4x2=8] 2: I find spifm. P=Rs 480 and discount =Rs 40.
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Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

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

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points