Answer:
i guess it is d
Step-by-step explanation:
make it braintliest please
a=10
d=-1/2
nth term=a+(n-1)d
10+(9-1)(-1/2)
10-4 =6
i would say that the answer is C
A. (−2c − 3d)(−11)
C.
E. 11(2c + 3d)
6) A. 5x+5
7) D. 0
8) A. 5x+5
9) I'm not sure sorry