Solve the system of equations. 10x+y=−20 y=2x2−4x−16 enter your answers in the box

Which of the following best describes the graph below? a. it is a function, but it is not one-to-one. b. it is a one-to-one function. c. it is not a function. d. it is a many-to-one function.

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.