Answer:
a^2-12a+36
Step-by-step explanation:
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Answer:
9
Step-by-step explanation:
equation: QRI+IRS=QRS
calculate it and you get x=9
If the length of the ladder is x then 12/x=cos70, so x=12/cos70=35’ approx, answer c.
The awnser is 6(4t-3) I hope this helps u