PLEAZE HELP WILL MARK BRANLIEST

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?

Solve the equation. 2x - 8(x+1)= 6(2x - 3)

Which of the following is an irrational number