9 because that is the answer trust me
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Ratio and proportion
8.5 cm/52 grams= 10 cm/x grams
cross multiply
8.5x=520
x= 61.18 grams
hope this helps
Answer:
1. quadrilateral; not regular
2. quadrilateral; regular
3. octagon; not regular
4. hexagon; regular
5. triangle; regular
6. pentagon; not regular
Answer:
391
Step-by-step explanation:
(23 x 10) + (23 x 7) =
230 + 161 =
391
Hope this helps! Please mark as brainliest.
