Bill has a $20 bill in his wallet. he catches a taxi to get as close to downtown as possible. the taxi charges a flat $3.50 fee and $1.10 a mile. how far can bill afford to go in the taxi? choose a marker and drag it onto the number line to represent the greatest number of miles bill can afford to go.

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?