Hello! Can someone explain this so, do I just put 5 in the g, so 7+5?

Which of the following circles have their centers in the third quadrant? check all that apply.

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges

Hich equation can pair with x + 2y = 5 to create an inconsistent system? 2x + 4y = 3 5x + 2y = 3 6x + 12y = 30 3x + 4y = 8