algebra

could someone please check these roblems for me and if they are not rightWOULD YOU PLEASE HELP E WITH THE CORRECT ONES THANKS!!!
1. Slove for X, wher X is the real number, square root 5x + 9= square root 9x + 13= 27
2. Find the value: ^3 square root -27= 9
3. Write the following in simplified radical form ^4 square root 80= 4
PLEASE HELP QUICKLY!!
Thanks!!

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asked by lee
  1. Hello Reiny,I need your help a few more times, and this time if they are not right, could you please help me with the correct answers!!
    THANKS

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    posted by lee

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