the volume of a rectangular parallelepiped is twice of the volume of the cube. The length breadth and height of rectangular parallelepiped are 9cm,8cm and 6cm. What is the final edge of cube and total surface area?

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is