Help Plz best answer will get marked brainliest.

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[tex]4) \: \: \: R = 28[/tex]
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[tex]5) \: \: \: P = 124[/tex]
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[tex]6) \: \: \: x = 20[/tex]
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[tex]7) \: \: \: y = 6[/tex]
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[tex]8) \: \: \: x = 26[/tex]
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