What is the approximate area of a circle with a radius of 8 Km. Use 3.14 for pi

He concluded that a heavier object dropped from the same height as a lighter object will land

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.

If square root x = -7, then x= -49 true or false