Answer:
I think answer abc makes sense.
Step-by-step explanation:
Answer: it is A, b, c
just did the exam
87°
it can be seen directly
if you want angle AOD
it's 78°
The rule or operation in this sequence is multiplication by 3.
2*3=6
6*3=18
18*3=54
and so on...
the answers are
13) -6
14) 6
15) -5
16) 3
17) 14
18) -4
19) -15
20) 4
21) 5
22) -12
