Cuales son las clases sociales que se formaron a partir del cambio en la estructura de la tierra originando la concentración en ella.

Question 12 of 252 pointssteps for solving 6x- 18 = 54 are shown.explain how step 1 solve the equation.6x -18 = 546x -18 +18 = 54 +186x = 72original equationstep 1step 2step 36x 7266x = 12step 4.oa. adding 18 to both sides isolates the variable.des sb. subtracting 18 from both sides undoes the subtraction.oc. adding 18 to both sides isolates the variable term.od. subtracting 18 from both sides combines like terms.

How would you say “blue is better than green”? in spanish a. azul es mejor que verde. b. azul es peor que verde. c. azul es menos que verde. d. azul es más que verde

16. fill in the blank with the correct conjugation of the verb in parentheses. (estudiar) por la tarde.