7 The system of equations x + 2y = 0 and x + 5y = b has the solution (-2, a). Determine
the values of a and b.

Im not that good with division but i think 5 is -6but dont quote me on thatim not the best in division but thats my answer

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .

72 is the mode because it shows up the most number of times