Write an equation of the ellipse with foci (+-2,0) and co-vertices at (0,+-4).

The heaviest 16% of all men in weight weigh more than how many pounds ?

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min if they did not stop driving, how many miles could kyle and elijah drive in a whole day? ? 1 day = 24 hours. plzzz i will give you 100 points

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.