Please help me solve this, and include (show your work) ​

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.

If eh = hg and hg=16, find the diameter of k

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2