George has a small coin collection. he has collected 16 gold coins, 28 silver coins, 32 copper coins, and 4 bronze coins. at a flea market, george sells 15% of his coins. find the number of coins he sold.

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

Which of the following is not a subset of {1,2,3}?

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?