A+b= -10
2a+b=-33
what is the value of b in the system of equations shown above

The clayton family’s pool has vertices at the coordinates (0, 2), (0, 5), (2, 5), (2, 6), (5, 6), (5, 1), (2, 1), and (2, 2). if each grid square has an area of 9 square feet, what is the area of the pool?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?