Marlin davies buys a truck for $28,000. in three years, the truck depreciates 48% in value. how much is the truck worth in three years

Can someone me out here number 4 plz

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.

Which of the following vectors are orthogonal to (2,1)? check all that apply