решите неравенство (1/4)^5-2x ⩾64^x

 Complete the sentences. Put the correct prepositions from box: " for, on, with"   

     a) I always share my books_________ my classmate.

     b) I care_________ my little brother.

     c) I always rely_________ my pen-friend.

     d) I trust_______ my  friend. 

ПОМОГИТЕ ПОЖАЛУЙСТА!!!