An olympic swimming pool is 25 meters wide. how many decimeters wide is the pool

Arectangle has an area of 54 square feet. if the length is 3 feet more than the width, find the dimensions of the rectangle.

Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?