What number would you add to both sides of x^2 – 20x = 5 to complete the square?

∠aed is formed inside a circle by two intersecting chords. if minor arc bd = 70 and minor arc ac = 180, what is the measure of ∠ aed? a) 45° b) 50° c) 55° d) 60°

In the diagram of circle a what is m

Multiply. write your answer in simplest form. 3/8 x 5/7