Which of the following ions are involved in the formation of rust? a) OH+ and Fe+
b) OH+ and Fe3+
c) H+ and Fe+
d) H+ and Fe2+

answer c

Step-by-step explanation:

https://youtu.be/iXVw2pIFlCk

-362

step-by-step explanation:

(12)(4)+2(12)-34(12)+2(12)-3

  \/         \/         \/         \/

  48 +   24 -   408 + 24 - 3

      \   /               \   /

          72     -     432 - 3 = -363

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or