Answer:
I would use Pythagorean theorem To find the lengths and just plug in numbers from the answer choices.
Step-by-step explanation:
Answer:
In stead of 2,2 the point would be 1,1. Instead of -4,4 it would be -2,2 and instead of 6,8 it would be 3,4.
Step-by-step explanation:
Any circle that can given by

have a center of

You can choose
any positive value for the radius

Hence, there are infinity circles.
Answer:
The answer is D. -5
Step-by-step explanation:
Since AB is parallel to CD, their slopes are the same. Parallel actually means to have the same slope.
Answer:
36
Step-by-step explanation:
4 was multiplied 6 times to get 24. Therefore you must multiply 7 by 6 as well.