Help please!. Answer Choice's:
(20 x 25) - (5 x 12)
10 x 12 + 10 x 12+ 8 x 25
20 x 20 + 10 x 20 + 5 x 8
(20 x 15) + (20 X 10)

(I'm not sure if the picture is whole so I put answer choices just incase.)

Determine the common ratio and find the next three terms of the geometric sequence. 10, 2, 0.4, a. 0.2; -0.4, -2, -10 c. 0.02; 0.08, 0.016, 0.0032 b. 0.02; -0.4, -2, -10 d. 0.2; 0.08, 0.016, 0.0032 select the best answer from the choices provided a b c d