At the pet store, 3 cats are brown with stripes, 2 cats are orange with stripes, and 5 cats are solid brown. what is the probability of a cat being brown or having stripes?

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?