Read the following passage and answer the adjoining questions, Passage The radio signal from the transmitter site of radio station WGGW can be received only within a radius of 52 miles in all directions from the transmitter site. A map of the region of coverage of the radio signal is shown below in the standard (x y) coordinate plane, with the transmetr site at the origin and 1 coordinate unit representing 1 mile. 12 The transmitter site of radio station WGGW and the transmitter site another radio station, WGW B are on the same highway 100 miles apart. The radio signal from the transmitter site of WGW B can be received only within a radius of 60 miles in all directions from the WGW B transmitter site. For how many miles along the highway can radio signals of both stations be received? M (Note: Assume the highway is straight.) A 48 B 12 C44 D40 E8