You purchase a brand new red car for $23,400. if the car depreciates at a rate of 15% per year, find the decrease in value from the end of the second year of ownership to the end of the third year of ownership.

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

If i have 20$ and i gave 5$ away how much i got

Solve for x where 0 equation: cot^2x+2cotx+1=0