** answer quickly timed quiz ** determine which equation has the same solutions as the equation below: 4x^2+32x-28=0 options: a: 4(x+8)^2=28 b: (x+4)^2=23 c: 4(x+4)^2=36 d: (x+8)^2=57

In the diagram of circle o, what is the measure of zabc?

Fast! find the length of cu. the triangles are similar. show your work.

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours