2. solve the equation by completing the square. show your work. x^2-30x=-125 step 1: add (b)^2 — 2 to both sides of the equation. step2: factor the left side of the equation. show your work. step 3: take the square root of both sides of the equation from step2. step 4: simplify the radical and solve for x. show your work. 35 ! to whoever me this. you very much

Michael split a rope that was 28 inches long into 5 equal parts. brenden split a rope that was 30 inches long into 6 equal parts. which boy's rope was cut into longer pieces?

Researchers are conducting experiments to determine the role of alcohol in the development of depression. after the study is complete, they determine that the relative risk of developing depression is 1.55 with a 95 % ci of 1.2 -1.9. each group is then divided into nonsmokers and smokers. the relative risk for the nonsmokers is 1.12 with a 95% ci of 0.87-1.37. the relative risk for the smokers is 1.7 with a 95 % cl of 1.5-1.9. what type of bias may affect this study? a. procedure bias b. recall bias c. selection bias d. confounding e. lead-time bias

Solve the system of equations. y=3x-1 and y=-2x+9. show work