What is this solution of the equation? x + 8.63=11.001

Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]

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

Identify the number 127 as a rational or irrational. explain