Select or equation that represents a relationship between ankles and the figure A. 90-30=b
B. 30+b=a+c
C. a+c+30+b=180
D. a=30
E. a=c=30
F. 90+a+c=180​

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 .

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f

Which diagram shows lines that must be parallel lines cut by transversal?