Respuesta :

Snapdraken
a. 2(15x+3x+5)
b.45x^2 + 75x
c.15(3)*(3(3)+5)=
   45*14=
   630ft^2
jakolantern2
Well for a, it would be 30x+6x+10 beacause you’re finding perimiterand the second one would be like 75xx+75x, and then the third one you solve, the equation would be45x14, and you would do the math to get 630

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good job