Form the union for the following sets r=(10,15,20) s=(20,25) r us=? awnsers {} (20) (10,15,25) (10,15,20,25)

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

The data set represents the ages of players in a chess club. 27, 34, 38, 16, 22, 45, 54, 60. what is the mean absolute deviation of the data set?

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h