Formula is (a^2+b^2)/ab+1let a and b be positive integers such that (ab+1) divides (a^2+b^2). show that (a^2+b^2)/(ab+1) is the square of an integer.

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 150, 120, 136, 180, 158, 175, 124, 162 minimum maximum median upper quartile lower quartile

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge

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