Somone pls help plz my sissters homework I don’t get it

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

Using elimination, what is -4x+2y=-12 4x+8y=-24

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