Answer:

Step-by-step explanation:
The greatest common factor of 18 and 27 is 9.
9*2=18
9*3=27
Both numbers share
and
, while
,
, and
will be left over.
Sur it's a function because for each x value corresponds one and only one y value.
Another easy way to determine if y is a function is to apply the vertical test:
If you draw a vertical line and this lines intersects the graph in one point, then y is a function
Perfect squares are whole numbers
Answer:
38
Step-by-step explanation:
38