Giving Brainlist Please help with math

3. find the radius of circle p.4. find y.

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

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?