John's little brother can ride his tricycle at a constant speed of 100 feet every 4 minutes. based on this rate, which of the following times and feet ridden are correct? select all that apply.
5 minutes = 125 feet
12 minutes = 350 feet
16 minutes = 400 feet
2 minutes = 55 feet

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?