What is 9 1/2 multiplied by 9 /5/2 in the simplest radical form

What is the total surface area of this square pyramid?

In the triangles, bc =de and ac fe.if the mzc is greater than the mze, then ab isdfelth

The table shows the number of students who signed up for different after school activities. activity students cooking 9 chess 4 photography 8 robotics 11 select the true statements about the information in the table.