I need the answer as soon as possible Please. And I will Give Upvote

1- 50.52,60,59,62,63,65,54.75 (A -9.-8.-3.0,-5.-6.3-7,0,1 ((B 12.5.11.9.8.8.13.6.15.4.11.6.9.3.8.1 (D 2- . 100- 4 120- 5 140- 6 160- 7 180- 10 200-220 8 3)) Z 30 20,25,28,31,37.Z )) XX , X n b , c, A)) YX + C X + C= B)) Y - CX Y = CY ))) Ya + bX Y = a + bX D)) ZaX + bY a + bY = 7 1- 50.52,60,59,62,63,65,54.75 (A -9.-8.-3.0,-5.-6.3-7,0,1 ((B 12.5.11.9.8.8.13.6.15.4.11.6.9.3.8.1 (D 2- . 100- 4 120- 5 140- 6 160- 7 180- 10 200-220 8 3)) Z 30 20,25,28,31,37.Z )) XX , X n b , c, A)) YX + C X + C= B)) Y - CX Y = CY ))) Ya + bX Y = a + bX D)) ZaX + bY a + bY = 7