What is the domain and range also read the stuff at the top of the picture

incomplete question. how do you expect anyone to you when you do not post the question in its entirety?

d

step-by-step explanation:

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

probably .5

i can on others if necessary.