In circle E shown, chords AB and CD are parallel. (a) What does this information tell you about 1  and 2  ? Why? (b) Given your answer to (a), what can now be said about  AC and  BD? Why?

What is the solution of log2  (3x  -  7)  =  3? 4 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 .

Prove that 16^4-2^13-4^5 is divisible by 11.