Answer:
21
Step-by-step explanation:
12 - (-9)
Open The bracket :
Recall: - * - = +
Hence,
12 + 9 = 21
I hope this helps you
Circumference=2. pi. r
C=2.pi.15
C=30.pi
You can click on the profile of anyone then you see three thing a Thank you button and a person with a plus and a message button. Click on the second button that is next to Thank you. Hope this helps
1. Semicircle
2. Arc Length
3. Minor arc
4. Arc Measure
5. Circumference
6. Diameter
7. Radius
36 is the answer. 36/4=9 81/9=9
