Dave runs a 400m race with the speed of 4 m/s. what will it take him to finish the race

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Which graph represents the function g(x) = |x + 4| + 2?

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .