The center of circle a is at a point (3,1). if the point (3,5) is on a circle, which of the following points is also on the circle? 1.(5,3)
2.(7 ,1)
3.(3 ,-5)
4.(-3 ,1)

Acable company claims that the average household pays $78 a month for a basic cable plan, but it could differ by as much as $20. write an absolute value inequality to determine the range of basic cable plan costs with this cable company. a. |x − 78| ≥ 20 b. |x − 20| ≥ 78 c. |x − 20| ≤ 78 d. |x − 78| ≤ 20