Can Anyone Help Me Solve This?

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?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

Which of the following is an example of conditional probability