Find the distance between the points (-6,2) and (-3,-4)

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.

The value of x must be greater than what?