Answer: 15
Step-by-step explanation:
Opposite angles of a cyclic quadrilateral are supplementary, so:

Answer:
brainiest give promise
Step-by-step explanation:
27.9 pounds
24.37 + 3.53 = 27.9
Answer:
places.
Step-by-step explanation:
There are seven zeros, so in powers of ten notation it is written as 

Point has no dimensions !!
Answer:
-1
Step-by-step explanation: