Answer:
82.8
Step-by-step explanation:
i think this is correct dont get mad if im wrong but im 80% sure im right
point slope form....
y - (-7) = -1/2(x-4)
y + 7 = -x/2 + 2
2y + 14 = -x + 4
2y = -x -10
y = -1/2 x - 5
693
7*9*11*3=693
S = 100+25m