Answer:
A
Step-by-step explanation:
Answer:
487=3x-17
487+17=3x-17+17
3x=53
3x/3=53/3
x=168
Step-by-step explanation:
Answer:

Step-by-step explanation:
Calculate the scale factor, using the ratio of corresponding sides, image to original.
Using the vertical line image = 4 and original = 6 , then
scale factor =
= 
The midpoint between these two would be -7, as you would add these two numbers, and then divide by two.
I think it's 720
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