A. -9 because -3 times 3 = -9. there ya go
For the tree, it would be 2ft, because 1:15 means for that every 15 feet the tree is in real life, the model would be 1 foot. with the door it would be 150inch, (10inch x 15= 150inch
Answer:
157
Step-by-step explanation:
formula- 2 x 3.14 x 5 squared
6.28 x 5 squared
6.28 x 25
157
Might be wrong but i'd say c