Find the area of the circle. Use 22/7 as an approximation for py

What is the volume of this square pyramid?

The table respent two linear functions the equation respented by the first tables is given

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