<ol>
<li><p>a large cube with edges of length 3 inches is built from 6 small blue unit cubesand 21 small white unit cubes. what is the greatest possible fraction of the surface area of the large cube that could be blue ?</p></li>
<li><p>if y= x^3 -x^2 -7x-3, what is the maximum value of y on the interval [ -3, 3] ?</p></li>
</ol>
<p>0 1 5 14 30
the sequence above starts with 0 and the numbers increase by the squares increase by the squares of consecutive integers. what is the 6th no. in the sequence ?</p>
<p>what is the difference between the maximum value of y= -x^4 -2x^3+5 and the minimum value of y= x^4 +x^2 -4 ?</p>