Answer:
3
Step-by-step explanation:
When both sides in the pre-image are multiplied by 3, you get the image. and since it is getting bigger and not smaller, it would be a whole number aka 3.
Answer:
Step-by-step explanation:
You add 7 to the y coordinates. (x,y+7)
Answer:
9 inches
Step-by-step explanation:
The radius is 1/2 of the diameter
r = d/2
r = 18/2 = 9