1,200 because 4x 3 is 12 and 40 x 30=1,200
<span>the answer is b. π(10^3) – π(4^3)</span><span> </span>
4x^2+9x-(x^2-6x+9)+11
4x^2+9x-x^2+6x-9+11
3x^2+15x+2
126/10 would mean that from the original number, the decimal point is at 126.0 so when it is divided by 10, it will move over one placement, making it 12.6... I would estimate that your answer is C. 12.6
