Warren and Kevin entered a 6.3-mile race. If Warren ran at seven mph and Kevin ran at nine mph, how far was Warren from the finish line when Kevin won the race? [ Hint: Remember DRT (sounds like Dirt)?]

What is the total surface area of this square pyramid?

Find the quotient with the restriction.

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?