What is the quotient of complex numbers below? i needme

4+i

Step-by-step explanation:

13-i

3-i

Multiply by the complex conjugate on the top and bottom

3+i

3+i

13-i           3+i

*

3-i             3+i

FOIL

13*3 +13i -3i - i^2

3*3 +3i  -3i -i^2

39 +10i  -  -1

9 +1

40 +10i

10

Divide the top and bottom by 10

4 + i

which expression can be used to convert 80 us dollars (usd) to australian dollars (aud)?

1 usd = 1.0343 aud

1 aud = 0.9668 usd

step-by-step explanation:

sorry just need the points

pakistan's principal natural resources are arable land and water. about 25% of pakistan's agriculture accounts for about 21% [1] of gdp and employs about 43% of the labour force. in pakistan, the most agricultural province is punjab where wheat and cotton are the most grown.