Escribe la forma adecuada del pretérito de ser o ir para completar cada oración.

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.

What groups of species are alive, eukaryotes, symmetrical, have backbones, and are tetrapods? (didn't mean to put spanish)

Which verb form correctly completes this conversation? ernesto: ¿cuánto dinero ahorramos ayer? francisco: ayer nosotros 2.500 pesos. a. ahorraron b. ahorraste c. ahorramos d. ahorré