Abcd is a quadrilateral calculate the value of x. Someone do a step by step of how you do this please? I use to know and forgot.

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.

Which graph represents the parent function of y=(x+2)(x-2)

∆red ≅ ∆ by rule will give brainiest if possible