1 answer:
Step-by-step explanation:
2x+9=9
+9. +9
2x = 18
x = 6
not really sure but I tried at least
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Answer:
-3x^2 + 15x
Step-by-step explanation:
(3 - x) (x - 5)
=> (3x - 15) ( -x)
=> -3x^2 + 15x
Answer:
answer is 35
Step-by-step explanation:
Answer:
No.
Step-by-step explanation:
A regular polygon has all sides and angles congruent. This is not possible with a concave polygon. If the sides are congruent in a concave polygon the angles are not congruent.
Answer:
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