Tommy has a rectangular rug an area of 21 square feet. The rug is 4feet longer then the wide. Tammy wrote an equation that could be used to solve the width of the rug. Which what equation after converting to standard form?

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?