A square rug of length x cm is cut to fit a doorway. If 12cm was cut from the length and 5cm was cut from the width, write an expression for the area of the trimmed rug. Multiply and
then combine like terms. ​

Which math sentence can be used to determine if the triangle is a right triangle?

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?