Answer:
A is , 18.1058 B is , 24.91575
Step-by-step explanation:
Answer:
164
Step-by-step explanation:
10+11+12+13+14+15+16+17+18+18+20 = 164
I think the answer is either B or C I am not completely sure but I got 36
A 1 = - 32, a 9 = - 120
a 9 = a 1 + 8 d
- 120 = - 32 + 8 d
8 d = - 88
d = - 88 : 8
d = - 11
a 32 = a 1 + 31 d = - 32 + 31 * ( -11 ) = - 32 - 341 = - 373
Answer: B ) - 373
