Answer:
Id
Step-by-step explanation:
-2
We know that a positive and a negative will end in a negative result. (+) (-) = (-)
Answer:
3/13
Step-by-step explanation:
8/13 subtract by 5/13. If the denominator is the same, you keep it, don't change it. Just subtract the numerator.
Make sure to simplify, if it is already simplified that will be the answer.
40º
7) In this problem, we can see that both tangent lines to that circle come from the same point O.
So, we can write out the following considering that there is one secant line DO and one tangent line to the circle AO

Answer:
Can you please give a clearer explanation of what is your question?
Step-by-step explanation: