Answer:
180 - 90 - 70 = 20
13/sin90 = BC / sin20
BC = 4.45
The correct answer is A I believe . . .
a
Step-by-step explanation:
The answer is -7
I took the test! Hope this helps <3
-10/8
1 and 7/8 = 15/8
5/8 - 15/8= -10/8