geometry

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RS=8y+4 ST=4y+8 RT=15y-9

a.) what is the value of y?

b.)find RS, ST, AND RT

  • geometry -

    a. RS + ST = RT
    8y+4 + 4y+8 = 15y-9. Solve for y.

    b. Replace y with the value calculated in prob. a.

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