What is the value of x in the solution to the system of equations?

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.

Write an equation for the function that includes the points (2,100)and (3,100)

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.