If you are buying an item at a store for a price of $21, and there is a 8.7% tax added on top, what would be the total amount due at the register to the nearest cent

Acone with volume 1350 m³ is dilated by a scale factor of 1/3. what is the volume of the resulting cone? enter your answer in the box. m³

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal