Asurveyor measures the distance across a straight river by the following method: starting directly across from a tree on the opposite bank, he walks x = 120 m along the riverbank to establish a baseline. then he sights across to the tree. the angle from his baseline to the tree is θ = 29.0°. how wide is the river?

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?