If 20men can complete a piece of work in many men required to finish the days? days, bowo same work in 28

Question 6 (10 points) ✓ saved what is the center of a circle described by the equation x2 + y2 +10y = -16? . (0,-5) (0,5) (-5,0) (5,0)

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).