george has a small coin collection. he has collected 16 gold coins,28 silver coins,32 copper coins, and4 bronze coins. at a flea market, george sells 15% of his coins. find the number of coins he sold.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

What power can you write to represent the volume of the cube shown? write the power as an expression with a base and an exponent and then find the volume of the cube

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?