Ma ajuta cineva cu rezolvarea la aceste inecuatii va rog frumos.

The circumference of a circle is 5 pi cm. what is the area of the circle?

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?

This graph shows a portion of an odd function. use the graph to complete the table of values. x f(x) −2 −3 −4 −6