Answer:

Step-by-step explanation:
Step 1
Find the value of x
we know that
In an inscribed quadrilateral the opposites angles are supplementary
so
In this problem

substitute the values and solve for x




step 2
Find the measure of angle B

substitute the value of x

I think that she started with 10.. I'm not 100% sure, though
Answer:
1
Step-by-step explanation:
Add 4+1=5 then do 5÷5=1
You need to subtract 25 by 18
Answer:
A,C and E
Step-by-step explanation:
because Im the only one thats answered your question so you don't exactly have anything else to go off of