An oil exploration is formed with enough capital to finance eleven exploration. Assume the probability of a particular exploration being successful is 0.22. Assume the exploration are independent. Find the probability that. A) exactly 2 exploration are not Successful

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?