Given the following equation, find the center and radius of the circle: (x + 4)2 + (y - 3)2= 49

Center:??

Radius:??

In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?

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?