Which radiation number equals 0.4 with bar over 4? 2/10 2/9 4/10 4/9?

Can someone answer this question? : )

What is the relationship between all triangles that can be drawn given the same three angles

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?