Answer:
r= 5
Step-by-step explanation:
because 5^3 = 125 or 5*5*5 = 125
its 1
x=5
4(x+x+1+x+2)=72
3x+3=72/4
3x+3=18
3x=18-3
3x=15
x=15/3
yessssss
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