The exact area of a circle is 2106.81pi square miles.
What is the radius?

What are the relative frequencies to the nearest hundredth of the columns of the two-way table? a b group 1 102 34 group 2 18 14

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?