What is the domain of this table x 1 2 3 4 y 2 4 3 2

Darian wants to build a regulation size pool table that is 9 feet in length. he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table

What is the range? can’t seem to find it out

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?