Choose the system of equations which matches the following graph

-6-54 3 -2-1
n
1
2
3
4
5
6
2x + y = 0
5x + y = -7
2x - y = 0

Vhich expression is equivalent to 6(3x + 4)? 9x + 418 x + 2418x + 49x + 10 i might ! i really do hope u see this and answer it

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.

Simplify the expression 10/11(22z) + (a+5) -1