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Answer:
D). (x, y) --> (0.9x, 0.9y).
Step-by-step explanation:
You multiply each coordinate to create a dilation . To get a smaller image the cinstant of multiplication is less than 1.
So it is D
Coefficients are the numbers in a equation variables are the letter
I think they both increased by 3 and the new dimensions is 8 ft by 7 ft
I believe the answer is 6x-7y=-11