Which equation shows y=34x−52 in standard form? a. 4x−3y=10 b. 3x−4y=10 c. 4x−3y=−10 d. 3x−4y=−10

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?