What property is shown in this equation? (2 x 1/2) + 8 = 1+8

Acircle has a circumference of 28.36 units what is the diameter of the circle

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35 ̊ and to the other is 52 ̊. how far apart are the cars?