Answer:
Option A. <A and <B are complementary angles
Option D. 
Step-by-step explanation:
we know that
If ABC is a right triangle
then
------> by complementary angles
and


Remember that

so


Did you just state the answer? Because it seems like you just answered the question for us.
Answer:234
Step-by-step explanation:
Answer:
slope:
m= (y2-y1)/(x2-x1)
you just take two points and plug in the x and y values into the equation above
Step-by-step explanation: