6 x 9 x i = 54i
4(i) x 2(i) = 8i^2
54i +8i^2= 8i^2 +54i
The new weight of the bag is 72.5kg
For the first question
1/x-3, x cannot equal +3. As that would make the denominator 0.
For the second question.
Substitute f(x) into g(x) to get:
x^2 - 3
Im going to attach a pic so it will be easier :)
<span>12.5% of 64=8 Would be the answer to this.</span>