Answer:
need more information
Step-by-step explanation:
more information is needed to answer this question
It would be 60cm because 40 plus 20 equals 60
X+x²=30
x²+x-30=0
(x+6)(x-5)=0
x=-6 or x=5
I believe it is going to be 60
Answer:
0.05
Step-by-step explanation:
hope this helps! :D
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