Answer is in a photo. I can only upload it to a file hosting service. link below!
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ly/3a8Nt8n
Answer:
21
Step-by-step explanation:
-9=9
9+12=21
3/5 * 230 = 138 votes for Nyemi
3/10 * 230 = 69 votes for Luke
1/10 * 230 = 23 votes for Natalie
***************** DOUBLE-CHECK ****************
138 + 69 + 23 = 230 Correct!!
Considering the perimeter (P)
![p = 2 \times b + 2 \times h](https://tex.z-dn.net/?f=p%20%3D%202%20%5Ctimes%20b%20%2B%202%20%5Ctimes%20h)
where b is the base and h is the height, then
![12 = 2 \times 4 \times 2 \times h \\ \\ h = \frac{12 - (2 \times 4)}{2} \\ \\ h = 2](https://tex.z-dn.net/?f=12%20%3D%202%20%5Ctimes%204%20%5Ctimes%202%20%5Ctimes%20h%20%5C%5C%20%20%5C%5C%20h%20%3D%20%20%5Cfrac%7B12%20-%20%282%20%5Ctimes%204%29%7D%7B2%7D%20%20%5C%5C%20%20%5C%5C%20h%20%3D%202)
Being the area (A)