Answer:
see below
Step-by-step explanation:
AB = DC Given
AO = BO = OD = DC Def. of radii
ΔOAB ≅ ΔOCD SSS
x = 77° CPCTC
Cos x = 15÷17
because cos is adjacent side over hypotenuse.
Answer:
-2
Step-by-step explanation:
You can tell by using the time tables
8c + 6-3c -2
8c -3c + 6-2 = 5c + 4
Brainliest please!