Find the area of the circular hole for an air duct that is to be cut from a wall if the diameter of the duct is 5.2 inches, what is the area of the circular hole?

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?

Find the area of the regular hexagon if a side is 20 cm.

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?