A is the center of the dilation because it is being delarged(is that even a word) by a factor of 2 downwards, and the only place possible to be the center of this "delargation" is A
Answer:

Step-by-step explanation:
Have a good day :)
Answer:
8
Step-by-step explanation:
x - 3 = 5
x = 5 + 3
x = 8
Therefore, the number is 8.
Answer:
Is an acute angle. Acute angle should be 90 degrees
Step-by-step explanation:
3 2/3 - 1/2
= 11/3 - 1/2
= 22/6 - 3/6
= 19/6
= 3.1666666667