He lived 9 months in Portugal and 5 months in Brazil. This is because 130*9 + 150*5 = 1920.
The formula for circumference is pi(diameter) or 2 x pi x radius. So you have the diameter which is 4.25. Next step you need to do is multiply it with pi which is equal to 3.14. Your equation would be C= 3.14 x 4.25.
Answer:
the awnswer is a = 7 + c
Step-by-step explanation: