Which linear equations have one solution? check all that apply.
5x  – 1 = 3(x  + 11)
4(x  – 2) + 4x  = 8(x  – 9)
4(x  – 6) + 4 = 2(x  – 3)
2(x  – 4) = 5(x  – 3) + 3
2(x  – 1) + 3x  = 5(x  – 2) + 3

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 .

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1

Are the corresponding angles congruent? explain why or why not.