What do you know to be true about the values of a and b

D . Cannot determined

Step-by-step explanation:

In the given picture , we have two triangles .

In first triangle  , we have three angles given as : 60° , a° and x °.

Here , measure of two angles is not given.

In second triangle , , we have three angles given as : 40° , b° and y °.

Here , measure of two angles is not given.

Also, the information that can link these two triangle is not given.

So , we cannot say anything about the measure of angles a and b.

Hence, he correct answer would be : D . Cannot determined

y=mx+b is the final answer!   : )

0 is its x and y coordinate