Please help I have 30 minutes or I fail this assignment no joke please answer all the questions there's only four.

Please Help I Have 30 Minutes Or I Fail This Assignment No Joke Please Answer All The Questions Theres Only Four class=

Answer :

Answer:

Sorry if I am wrong don´t count on me tho I would wait until someone else answers cause I might be wrong.

1). 9

2). -2

3). i don´t know

4). i don´t know

Step-by-step explanation:

Sorry plz don´t be mad I´m only in 4th grade