Step-by-step explanation:
1 i dont know
2.
3.
Answer:
I hope it could help u and if isn't clear then let me know ..
D
yes it is found by multiplying phi with diameter of the circle
22 + 22 x r = 30
22 x r = 30 - 22
r = 8 : 22
r = +36,36%
r = increase rate
The simple answer is 15 only
4-3x over x or 4-3x/x
I'm not sure. but I hope it can help you:))