Join this will be helping you with question

answer:

study

explanation:

answer:

49. Because its rude.

50. The same thing

51. Im not for sure. But its just a name.

52. N/A

53. Its not what they do

54. Yes

Explanation:

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "*-9" was replaced by "*(-9)".

Final Result :

    -432

Processing ends successfully

hope this helped :)