Kate already owns 22 necklaces and additional necklaces a price at 2 for a dollar with $13 to spend on new necklaces how many total necklaces can Kate on

Which statement describes the term economics? a. it is the study of using limited resources to fulfill wants and needs. b. it is the study of how governments fulfill the wants and needs of nations. c. it is the study of how people spend their money to fulfill wants and needs.

Ineed with math stuff it involves graphs

Write the equations in logarithmic form 10^3=1,000