12 - 23 = -11
-11 + 1,345 = 1,334
1,334/123 = 10.85
Same, i need help with geometry too :(
The top graph
hope this help
I think the answer is b i hope this helps
This is an arithmetic series, so we know, that:
Sum = (First term + Last term) * Number of terms /2
Here we have:
First term = 33
Last term = 104
Number of terms = 104 - 33 + 1 = 72
and