Hhelp this is timed ​

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

Which function has the domain x> -11?

Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function