Thirty is what percent of 20?

The first hexagon is dilated to form the second hexagon select the answers from the drop box menus to correctly complete the statement

In a column proof the right column states your reasons

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?