Answer:
8
Step-by-step explanation:
Can you try to put it more in order?
Answer:

Step-by-step explanation:
Given the expression

Let us perform the operation and express your answer as a single fraction



Therefore, we conclude that:

Answer:
x = 91
Step-by-step explanation:
The opposite angles of an inscribed quadrilateral are supplementary, that is
∠ A + ∠ C = 180, thus
x + 89 = 180 ( subtract 89 from both sides )
x = 91
Answer D because you want to get the x by itself and in order to do this she needs to multiply by -4 so that one side only has x.