Answer:
53
Step-by-step explanation:
At first,
- 7 = 9 + x
By subtracting 9 from both sides, we get
-7-9=9+x-9
-16=x
Now,
By substituting the value of x in -3x + 5 , we get
-3x + 5
-3×(-16)+5
48+5
53
Answer:
decagon = 10
nonagon = 9
dodecagon = 12
Step-by-step explanation:
Um 100 idk BUT IM JUST ANSWERING
Ok. I’m not the smartest person. But, if I understand the question I have to divide 288 by 2. That would be 144.. but it seems too easy. Correct me if I’m wrong
