If two triangles have three congruent, corresponding angles, what additional information is needed to prove that the triangles are congruent?

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

3x + 4y = 5 x- 3y = -7 solve by substitution