R= 8 units what is the area of a circle that has a radius of 8 untis use 3.14 for (pie)and round to the nearest hundredth

Which system of linear inequalities is graphed? can somebody pleasssse

Write the fraction or mixed number and the decimal shown by the model

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?