Can somebody walk me threw this math question?

9\times 1(3)/(5)\times (2)/(3)

For what is the measure of the angle at the top of the shed? a. multiplication of areas b. squaring of areas c. addition of areas d. division of areas

Which of these is and example of a literal equation? a) 6+30=6^2 b)3x-4y c)12=9+3x d)ax-by=k

State if the two triangles are congruent. if they are, state how you know?