Answer:
17 centemeters
Step-by-step explanation:
I just realized I forgot a whole unit we did this year, but a(n)=5n-12
is the explicit form if that helps at all
Answer:
The answer is "
"
Step-by-step explanation:
For point 1:
For point 2:
Adding
equation and multiply by 2 in the equation
so we get 
Isosceles triangle I think