Solve by elimination:
3x+7y=23
-3x-7y=-17

Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c,with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.

Can someone me i’m confused. will give brainliest and a whole bunch of points

Determine the solution for mc001-1.jpeg