Matt and seth purchase baseball cards

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

Select the lengths in centimeters that would form a right triangle

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?