A circle has a sector with area 1/2pi and central angle of 1/9pi radians what is the area of the circle?

It says factor each expression 49x-28?

An object is translated by (x + 4, y - 2). if one point in the image has the coordinates (5, -3), what would be the coordinates of its pre-image? (9, -5) (1, -5) (9, -1) (1, -1)

For the feasibility region shown below find the maximum value of the function p=3x+2y