<span>A) 11c - 2d = -2
B) c + 8d = 8
</span><span>B) c = 8 - 8d then substitute this into A)
</span><span>A) 88 -88d - 2d = -2
A) 90 = 90d
d = 1
c = 0
</span>
Answer:
ok (^∀^●)ノシ
Step-by-step explanation:
Answer: 20
Step-by-step explanation:
Answer: x = -2
Step-by-step explanation:---------------
If a, b, c, d is geometric sequence, then

A. 5; 15; 25; 35

B. 5; 10; 25; 35

C. 6; 12; 18; 24

D. 7; 14; 21; 28

Answer: None of the sequences is a geometric series.