a car travels 32 km due north and then 46 km in a direction 40 west of north. find the direction of the cars resultant vector please help

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

The table shows the distance traveled over time while traveling at a constant speed.

What is the difference between regular convex and concave polygons