Pls help me ASAP -

Find the value of x.

8
18.5
11
None of the above

Which system of linear inequalities is represented by the graph?

Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls

Which expression is the factorization of x^2+10+21