Acouch regularly sells for $840. the sale price is $714. find the percent decrease of the sale price from the regular price

Which of the following represents the range of the graph of f(x) below

Apool measures 100 meters by 100 meters a toddler inside the pool and trows a ball 60 centimeters from one edge of the pool. how far is the ball from the opposite edge of the pool

In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.