Mindy and troy combined ate 9 pieces of the wedding cake. mindy ate 3 pieces of cake and troy had 1/4 of the total cake.
write an equation to determine how many pieces of cake (c) there were in total.

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