What's the distance between -2 1/2 and -5 3/4 as a mixed number

Question 6 (10 points) ✓ saved what is the center of a circle described by the equation x2 + y2 +10y = -16? . (0,-5) (0,5) (-5,0) (5,0)

Average acceleration: i have no idea how to do this.

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane