Answer:
Your answer is B
That is the correct answer
It is 45 because complementary means 90
£9.90 Per hour * 6 hrs = £59.4
The first step for expanding this expression is to use the logarithmic product and the quotient rule.
㏒

(2) + ㏒

(x²) + ㏒

(y)
Lastly,, use ㏒


= x × ㏒

(b) to transform the expression.
㏒

(2) + 2㏒

(x) + ㏒

(y)
This means that the expanded version of your expression is going to be ㏒

(2) + 2㏒

(x) + ㏒

(y).
Let me know if you have any further questions.
:)