<h2>As a decimal: 20.56667</h2><h2>As fractions:

OR

</h2>
4.86 is the answer to you're question.
∫ √(4x - x²) dx
= 2[(4x - x²)^(3/2)] / 3(4 - 2x)
X1 = 12
X2 = 4
I took the test and can promise you this is correct!!
Hey! $1.96 x £25,000 = $49,000
Then to change it back you:
$49,000 divided by 1.75 = £28,000