Could you please help I dont know the answer to it​

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

M the table below represents a linear function f(x) and the equation represents a function g(x): x f(x)−1 −50 −11 3g(x)g(x) = 2x − 7part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points)part b: which function has a greater y-intercept? justify your answer. (4 points)

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?