The area of a rectangle is represented by 5x^2+19x+12. what is the length?

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.

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab