At 2 PM a red car is 140 miles north of Bellevue

and a blue car is 80 miles east of Bellevue.

The red car drives south and the blue car drives west.

The red car is going 50 miles per hour and

the blue car is going 60 miles per hour.

The day is overcast.

a) How far apart are the cars? miles

b) What is the rate of change of the distance between the cars? miles/hr

(Note: The locations and directions are important.)

(Enter each answer as decimal rounded to 2 places.)