Answer:
B
Step-by-step explanation:
a1 = -5
a2 = -3
a3 = -1
and so on
So since we start with -5 it will be -5+ something.
each time you add 2, but since the first one doesnt add anything we want n-1 times 2 so that leaves us with -5+(n-1)2
-10.4
If k=8
then, -1.3k=-1.3x8 = -10.4
i think it's 8.9