Question

HELLO EVERYONE PLZ MATES ITS TOO URGRNT PLZ ANSNWER THESE QUESTION​

Answer 1

Answer:

10.)(2x--5y+3z)²

11.)3x+2y=12

9x²+4y²=3x²+2y²

=(12²)²

=144²

=20,736

12.)evaluate 203³=8365427

Step-by-step explanation:

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Answer 2

Answer:

10.a

11.72

12.1061208