Answer:
scale factor = 
Step-by-step explanation:
Consider the ratio of the x and y- coordinates, image to original, that is
scale factor =
=
= 
I don't know what you mean by "Broken apart," but I'll do my best...
20 x 90 = 1800
9 x 7 = 63
1800 + 63 = 1863
I hope this helped you! :)
B because 17×20 is 340 square centimetres
Answer:
D
Step-by-step explanation:
The answer is 4. Just times 2 and 7 and and times that by 2 and divide by 7.