X – 4 = -9 + x
How do I do this

Describe the domain and range of y=2(3)^x-2+5

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 .

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.