Chin is correct because 5 x $.65 is $3.25., and he multiplied by US/GB
Nadene is incorrect because she took GB/US x 5
Answer:
-9
Step-by-step explanation:
4(n + 3) = 2n - 6
4n + 12 = 2n - 6
2n = -18
n = -9
Step-by-step explanation:
Pythagoras' theorem shows that a^2+b^2=c^2. Not sure how else to help here.
Given problem is 
To simplify that we need to multiply and divide by conjugate of the denominator
conjugate of denominator 6+i will be 6-i as we just need to change sign of the imaginary part
Now multiply and divide by 6-i







Hence final answer is 