A person stands 30 meters east of an intersection and watches a car driving away from the intersection to the north at 17 meters per second. At a certain instant, the car is 16 meters from the intersection. What is the rate of change of the distance between the car and the person at that instant

Carrie and krystal are taking a road trip from greenville each person has her own map carry in north valley or each person has her own map in the scales on the maps are different and carries map read about in northville are 4.5inches apart the scale on a map is 1 inch equals 20 miles how far is greenville from north valley

What is 20+(5 x 2/5 )+ 3 show your work

Can someone me do math because i am having a breakdown rn because i don’t get it