Question

Please answer it fast

Answer 1

Step-by-step explanation:

-⅓^-3 = -27 --A

(2/3)-⁴=(3/2)⁴=81/16 ---B

x/y = -27/81/16=-16/3

y/x = -3/16

x/y + y/x=

-16/3-3/16=-16²-9²/3×16 =-337/48

(x/y +y/x)^-1=-48/337

Answer 2

Answer:

x=-5

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