Determine la ecuación de la recta en cada caso: 1.-) m =8 y P (-3 ; 5) 2.-) m =5/2 y R(2 ,-4)

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How do you solve a question like this?

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